/* ===================================================================
   ANIMA EMPRESA — DESIGN TOKENS
   =================================================================== */
:root{
  --red:        #BE1E2D;
  --red-2:      #9C1722;
  --red-deep:   #5C0E16;
  --cream:      #F8EFE1;
  --cream-2:    #F1E4CF;
  --ink:        #221512;
  --ink-soft:   #4A3530;
  --gold:       #F0A93C;
  --gold-soft:  #F5C878;
  --white:      #FFFFFF;

  --display: 'Lilita One', cursive;
  --body: 'Manrope', sans-serif;

  --container: 1180px;
  --radius: 18px;
  --ease: cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--body);
  background:var(--cream);
  color:var(--ink);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
h1,h2,h3,h4{font-family:var(--display);margin:0;line-height:1.05;letter-spacing:.5px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:var(--body);cursor:pointer;border:none;background:none;}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;}

::selection{background:var(--gold);color:var(--ink);}

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

/* Focus visibility */
a:focus-visible,button:focus-visible{
  outline:3px solid var(--gold);
  outline-offset:3px;
  border-radius:6px;
}

/* ===================================================================
   SPOTLIGHT CURSOR (signature element)
   =================================================================== */
#spotlight{
  position:fixed;
  top:0;left:0;
  width:520px;height:520px;
  border-radius:50%;
  pointer-events:none;
  background:radial-gradient(circle, rgba(240,169,60,0.16) 0%, rgba(240,169,60,0.06) 35%, transparent 70%);
  transform:translate(-50%,-50%);
  z-index:2;
  mix-blend-mode:screen;
  transition:opacity .3s;
  will-change:transform;
}
@media (max-width:860px){ #spotlight{display:none;} }

/* ===================================================================
   SCRIBBLE / HAND ELEMENTS
   =================================================================== */
.scribble-underline{
  position:relative;
  display:inline-block;
}
.scribble-underline svg{
  position:absolute;
  left:-2%;
  bottom:-0.18em;
  width:104%;
  height:0.4em;
  overflow:visible;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--body);
  font-weight:800;
  font-size:13px;
  letter-spacing:2.5px;
  text-transform:uppercase;
  color:var(--red);
}
.eyebrow::before{
  content:"";
  width:9px;height:9px;
  border-radius:50%;
  background:var(--red);
  box-shadow:0 0 0 4px rgba(190,30,45,.15);
}

/* ===================================================================
   BUTTONS
   =================================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:15.5px;
  padding:16px 30px;
  border-radius:100px;
  position:relative;
  isolation:isolate;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.btn-primary{
  background:var(--red);
  color:var(--white);
  box-shadow:0 8px 20px -6px rgba(190,30,45,.55), inset 0 0 0 2px rgba(255,255,255,.08);
}
.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 14px 28px -8px rgba(190,30,45,.65);}
.btn-primary::after{
  content:"→";
  transition:transform .35s var(--ease);
}
.btn-primary:hover::after{transform:translateX(4px);}

.btn-ghost{
  background:transparent;
  color:var(--cream);
  border:2px solid rgba(248,239,225,.45);
}
.btn-ghost:hover{background:rgba(248,239,225,.12);border-color:var(--cream);}

.btn-dark{
  background:var(--ink);
  color:var(--cream);
}
.btn-dark:hover{transform:translateY(-3px);background:var(--red-deep);}

/* ===================================================================
   NAV
   =================================================================== */
header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:50;
  padding:18px 0;
  transition:background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease);
}
header.scrolled{
  background:rgba(248,239,225,.88);
  backdrop-filter:blur(14px);
  padding:10px 0;
  box-shadow:0 6px 24px -10px rgba(34,21,18,.25);
}
nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav-logo{
  display:flex;
  align-items:center;
  gap:10px;
  height:63px;
}
.nav-logo img{height:150%;width:auto;transition:height .4s var(--ease);}
header.scrolled .nav-logo{height:50px;}
.nav-links{
  display:flex;
  gap:34px;
  align-items:center;
}
.nav-links a{
  font-weight:700;
  font-size:14.5px;
  color:var(--cream);
  position:relative;
  padding:4px 0;
  transition:color .25s;
}
header.scrolled .nav-links a{color:var(--ink);}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:0;height:2px;
  background:var(--gold);
  transition:width .3s var(--ease), background .3s;
}
header.scrolled .nav-links a::after{background:var(--red);}
.nav-links a:hover::after{width:100%;}
.nav-links a:hover{color:var(--gold-soft);}
header.scrolled .nav-links a:hover{color:var(--red);}
.nav-cta{display:flex;align-items:center;gap:18px;}
.nav-cta .btn-ghost{
  color:var(--cream) !important;
  border-color:rgba(248,239,225,.55) !important;
}
header.scrolled .nav-cta .btn-ghost{
  color:var(--ink) !important;
  border-color:rgba(34,21,18,.3) !important;
}
.nav-cta .btn-ghost:hover{
  background:rgba(248,239,225,.14);
}
header.scrolled .nav-cta .btn-ghost:hover{
  background:rgba(34,21,18,.06);
}
.burger{
  display:none;
  width:30px;height:24px;
  position:relative;
  flex-direction:column;
  justify-content:space-between;
}
.burger span{
  display:block;height:3px;width:100%;
  background:var(--cream);border-radius:3px;
  transition:transform .3s, opacity .3s, background .3s;
}
header.scrolled .burger span{background:var(--ink);}
@media (max-width:900px){
  .nav-links{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:78%;
    max-width:340px;
    background:var(--red-deep);
    flex-direction:column;
    justify-content:center;
    gap:32px;
    transform:translateX(100%);
    transition:transform .45s var(--ease);
    z-index:60;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{color:var(--cream);font-size:20px;}
  .nav-links a::after{background:var(--gold);}
  .nav-cta .btn-ghost{display:none;}
  .burger{display:flex;z-index:70;}
  .burger.open span:nth-child(1){transform:translateY(10.5px) rotate(45deg);}
  .burger.open span:nth-child(2){opacity:0;}
  .burger.open span:nth-child(3){transform:translateY(-10.5px) rotate(-45deg);}
}

/* ===================================================================
   HERO
   =================================================================== */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  background:
    radial-gradient(circle at 85% 8%, rgba(240,169,60,.14), transparent 45%),
    linear-gradient(180deg, var(--red-deep) 0%, var(--red) 55%, var(--red-2) 100%);
  overflow:hidden;
  isolation:isolate;
}
.hero-doodles{
  position:absolute; inset:0;
  z-index:0;
  opacity:.5;
}
.hero-doodles svg{position:absolute;}
.curtain{
  position:absolute;
  top:0;bottom:0;
  width:52%;
  background:linear-gradient(120deg, var(--red-deep) 0%, #7a1119 60%, var(--red-deep) 100%);
  z-index:5;
  box-shadow:0 0 80px 10px rgba(0,0,0,.4) inset;
}
.curtain-left{left:0;border-radius:0 0 60% 0 / 0 0 40% 0;}
.curtain-right{right:0;border-radius:0 0 0 60% / 0 0 0 40%;}
.curtain::before{
  content:"";
  position:absolute; inset:0;
  background-image:repeating-linear-gradient(90deg, rgba(0,0,0,.18) 0 14px, transparent 14px 38px);
  mix-blend-mode:multiply;
}
.hero-inner{
  position:relative;
  z-index:6;
  width:100%;
  padding-top:120px;
  padding-bottom:80px;
  text-align:center;
}
.hero-tagline{
  color:var(--gold-soft);
  font-weight:800;
  letter-spacing:3px;
  font-size:13.5px;
  text-transform:uppercase;
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:26px;
  opacity:0;
  animation:riseIn .8s var(--ease) .15s forwards;
}
.hero-tagline span.dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 14px var(--gold);}
.hero h1{
  color:var(--white);
  font-size:clamp(40px, 7vw, 92px);
  text-shadow:0 8px 30px rgba(0,0,0,.25);
  opacity:0;
  animation:riseIn .9s var(--ease) .3s forwards;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold);
  position:relative;
}
.hero-sub{
  max-width:640px;
  margin:28px auto 0;
  color:var(--cream);
  font-size:clamp(16px,2vw,19px);
  line-height:1.65;
  opacity:0;
  animation:riseIn .9s var(--ease) .5s forwards;
}
.hero-actions{
  margin-top:42px;
  display:flex;
  gap:18px;
  justify-content:center;
  flex-wrap:wrap;
  opacity:0;
  animation:riseIn .9s var(--ease) .68s forwards;
}
@keyframes riseIn{
  from{opacity:0;transform:translateY(26px);}
  to{opacity:1;transform:translateY(0);}
}
.hero-stage{
  margin:64px auto 0;
  max-width:780px;
  opacity:0;
  animation:riseIn 1s var(--ease) .85s forwards;
}
.spot-floor{
  height:2px;
  width:60%;
  margin:0 auto;
  background:linear-gradient(90deg, transparent, rgba(240,169,60,.6), transparent);
}
.scroll-cue{
  position:absolute;
  bottom:28px;left:50%;
  transform:translateX(-50%);
  z-index:6;
  color:var(--cream);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:11px;letter-spacing:2px;font-weight:700;text-transform:uppercase;
  opacity:.75;
}
.scroll-cue .chev{
  width:14px;height:14px;
  border-right:2px solid var(--cream);
  border-bottom:2px solid var(--cream);
  transform:rotate(45deg);
  animation:bob 1.8s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translateY(0) rotate(45deg);}50%{transform:translateY(7px) rotate(45deg);}}

/* ===================================================================
   SECTION GENERIC
   =================================================================== */
section{
  position:relative;
  padding:120px 0;
}
.section-head{
  max-width:740px;
  margin-bottom:64px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:clamp(32px, 4.6vw, 56px);
  margin-top:18px;
  color:var(--ink);
}
.section-head p{
  margin-top:20px;
  font-size:18px;
  line-height:1.7;
  color:var(--ink-soft);
}
.reveal{
  opacity:0;
  transform:translateY(36px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in-view{opacity:1;transform:translateY(0);}

/* ===================================================================
   PROBLEM SECTION
   =================================================================== */
.problem{background:var(--cream);}
.problem-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:50px;
  align-items:start;
}
.problem-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  margin-top:32px;
}
.problem-chip{
  background:var(--white);
  border:2px solid var(--cream-2);
  border-radius:16px;
  padding:20px 18px;
  font-weight:800;
  font-size:16px;
  display:flex;
  align-items:center;
  gap:12px;
  transition:transform .3s var(--ease), border-color .3s;
}
.problem-chip:hover{transform:translateY(-4px);border-color:var(--red);}
.problem-chip .ico{
  width:34px;height:34px;
  flex-shrink:0;
  border-radius:50%;
  background:var(--cream-2);
  display:flex;align-items:center;justify-content:center;
  color:var(--red);font-size:16px;font-weight:800;
}
.loop-card{
  background:var(--ink);
  color:var(--cream);
  border-radius:24px;
  padding:46px 40px;
  position:relative;
  overflow:hidden;
}
.loop-card::before{
  content:"";
  position:absolute;
  top:-60px; right:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(190,30,45,.35), transparent 70%);
}
.loop-card .tag{
  font-size:12px;
  font-weight:800;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--gold);
}
.loop-card h3{
  font-family:var(--body);
  font-weight:800;
  font-size:25px;
  margin-top:14px;
  line-height:1.45;
}
.loop-cycle{
  margin-top:34px;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-weight:700;
  font-size:14px;
  color:#cfc0b8;
}
.loop-cycle .step{
  background:rgba(255,255,255,.06);
  padding:9px 16px;
  border-radius:100px;
  border:1px solid rgba(255,255,255,.12);
}
.loop-cycle .arrow{color:var(--red);font-weight:800;}
.loop-cycle .loop-back{color:var(--gold);}

/* ===================================================================
   SOLUTION SECTION
   =================================================================== */
.solution{
  background:linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%);
}
.formula{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:18px;
  flex-wrap:wrap;
  margin:54px 0 26px;
}
.formula-card{
  background:var(--white);
  border-radius:20px;
  padding:30px 26px;
  width:240px;
  text-align:center;
  box-shadow:0 18px 36px -20px rgba(34,21,18,.25);
  transition:transform .4s var(--ease);
}
.formula-card:hover{transform:translateY(-8px) rotate(-1deg);}
.formula-card .num{
  font-family:var(--display);
  font-size:14px;
  color:var(--red);
  letter-spacing:1px;
}
.formula-card h4{
  font-family:var(--body);
  font-weight:800;
  font-size:19px;
  margin-top:10px;
}
.formula-op{
  font-family:var(--display);
  font-size:38px;
  color:var(--red);
}
.formula-eq{
  font-family:var(--display);
  font-size:38px;
  color:var(--ink);
}
.formula-result{
  background:var(--red);
  color:var(--white);
  border-radius:20px;
}
.formula-result:hover{transform:translateY(-8px) rotate(1deg);}
.formula-result .num{color:var(--gold-soft);}
.equation-caption{
  text-align:center;
  margin-top:18px;
  font-family:var(--display);
  font-size:clamp(20px,2.6vw,30px);
  color:var(--red-2);
}

/* ===================================================================
   DIFFERENTIAL — BIG STATEMENT
   =================================================================== */
.differential{
  background:var(--ink);
  color:var(--cream);
  text-align:center;
  overflow:hidden;
}
.differential .container{position:relative;z-index:2;}
.differential-tag{
  color:var(--gold);
}
.differential h2{
  font-size:clamp(30px,4.6vw,52px);
  color:var(--cream);
  max-width:880px;
  margin:22px auto 0;
  line-height:1.3;
}
.differential p.lead{
  max-width:680px;
  margin:30px auto 0;
  font-size:18px;
  line-height:1.75;
  color:#cfc0b8;
}
.statement{
  margin-top:56px;
  display:inline-flex;
  flex-direction:column;
  gap:8px;
  padding:38px 54px;
  border:2px solid rgba(255,255,255,.15);
  border-radius:24px;
  position:relative;
}
.statement .no{
  font-family:var(--body);
  font-weight:700;
  font-size:19px;
  color:#9a8a83;
  text-decoration:line-through;
  text-decoration-color:var(--red);
  text-decoration-thickness:3px;
}
.statement .yes{
  font-family:var(--display);
  font-size:clamp(24px,3.6vw,40px);
  color:var(--gold);
  margin-top:6px;
}
.differential-bg-text{
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  font-family:var(--display);
  font-size:min(38vw, 420px);
  color:rgba(255,255,255,.025);
  white-space:nowrap;
  z-index:1;
  user-select:none;
  pointer-events:none;
}

/* ===================================================================
   TESTIMONIALS
   =================================================================== */
.proof{background:var(--cream);}
.proof-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.t-card{
  background:var(--white);
  border-radius:20px;
  padding:32px 28px;
  position:relative;
  box-shadow:0 16px 30px -22px rgba(34,21,18,.3);
  border:2px solid transparent;
  transition:border-color .3s, transform .35s var(--ease);
}
.t-card:hover{transform:translateY(-6px);border-color:var(--gold);}
.t-card .quote-mark{
  font-family:var(--display);
  font-size:54px;
  color:var(--cream-2);
  line-height:.6;
  display:block;
  margin-bottom:6px;
}
.t-card p{
  font-size:15.5px;
  line-height:1.7;
  color:var(--ink-soft);
  font-weight:600;
}
.t-card .who{
  margin-top:22px;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.t-card .who b{font-size:15px;color:var(--ink);}
.t-card .who span{font-size:13px;color:var(--red);font-weight:700;}

.companies-strip{
  margin-top:70px;
  text-align:center;
}
.companies-strip .eyebrow{margin-bottom:26px;display:flex;justify-content:center;}
.logo-track-wrap{
  overflow:hidden;
  mask-image:linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.logo-track{
  display:flex;
  gap:60px;
  width:max-content;
  animation:scrollLogos 26s linear infinite;
}
.logo-track .pill{
  font-family:var(--display);
  font-size:20px;
  color:var(--ink-soft);
  opacity:.55;
  white-space:nowrap;
  letter-spacing:1px;
}
@keyframes scrollLogos{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}

/* ===================================================================
   HOW IT WORKS — STEP 1 THEMES
   =================================================================== */
.how{background:var(--cream-2);}
.step-marker{
  display:inline-flex;
  align-items:center;
  gap:14px;
  margin-bottom:18px;
}
.step-marker .circle{
  width:46px;height:46px;
  border-radius:50%;
  background:var(--red);
  color:var(--white);
  font-family:var(--display);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  flex-shrink:0;
}
.step-marker .label{
  font-weight:800;
  font-size:13px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--red);
}
.theme-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.theme-card{
  background:var(--white);
  border-radius:20px;
  padding:32px 26px;
  border-top:5px solid var(--red);
  position:relative;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.theme-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -24px rgba(34,21,18,.35);}
.theme-card h4{
  font-family:var(--body);
  font-weight:800;
  font-size:18.5px;
  margin-bottom:10px;
  color:var(--ink);
}
.theme-card .pitch{
  font-style:italic;
  font-weight:700;
  font-size:14.5px;
  color:var(--red-2);
  margin-bottom:14px;
  display:block;
}
.theme-card .emph{
  font-size:14px;
  line-height:1.65;
  color:var(--ink-soft);
}
.theme-card .emph b{color:var(--ink);}

/* STEP 2 — MODELS / TIERS */
.models-intro{
  max-width:680px;
  margin:0 auto 50px;
  text-align:center;
  font-size:16.5px;
  line-height:1.7;
  color:var(--ink-soft);
}
.model-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.model-card{
  background:var(--white);
  border-radius:24px;
  padding:38px 30px;
  display:flex;
  flex-direction:column;
  position:relative;
  transition:transform .4s var(--ease), box-shadow .4s var(--ease);
  border:2px solid var(--cream-2);
}
.model-card:hover{transform:translateY(-8px);box-shadow:0 26px 50px -28px rgba(34,21,18,.4);}
.model-card.featured{
  background:var(--ink);
  color:var(--cream);
  border-color:var(--ink);
  transform:scale(1.03);
}
.model-card.featured:hover{transform:scale(1.03) translateY(-8px);}
.model-roman{
  font-family:var(--display);
  font-size:15px;
  color:var(--red);
}
.model-card.featured .model-roman{color:var(--gold);}
.model-card h4{
  font-family:var(--body);
  font-weight:800;
  font-size:21px;
  margin-top:8px;
}
.model-card .subtitle{
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  text-transform:uppercase;
  color:var(--red-2);
  margin-top:4px;
}
.model-card.featured .subtitle{color:var(--gold-soft);}
.model-card .ideal{
  margin-top:18px;
  font-size:13.5px;
  color:var(--ink-soft);
  line-height:1.6;
}
.model-card.featured .ideal{color:#cfc0b8;}
.model-card .ideal b{color:var(--ink);}
.model-card.featured .ideal b{color:var(--cream);}
.model-card .includes{
  margin-top:22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.model-card .includes li{
  font-size:14px;
  font-weight:600;
  display:flex;
  align-items:flex-start;
  gap:9px;
  line-height:1.4;
}
.model-card .includes li::before{
  content:"✓";
  color:var(--red);
  font-weight:800;
  flex-shrink:0;
  margin-top:1px;
}
.model-card.featured .includes li::before{color:var(--gold);}
.model-card .result{
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid var(--cream-2);
  font-size:13px;
}
.model-card.featured .result{border-top-color:rgba(255,255,255,.15);}
.model-card .result b{
  display:block;
  font-size:11px;
  letter-spacing:1.5px;
  text-transform:uppercase;
  color:var(--red);
  margin-bottom:6px;
}
.model-card.featured .result b{color:var(--gold);}
.model-card .badge{
  position:absolute;
  top:-14px;right:24px;
  background:var(--gold);
  color:var(--ink);
  font-size:11.5px;
  font-weight:800;
  letter-spacing:1px;
  padding:7px 16px;
  border-radius:100px;
  text-transform:uppercase;
}
.tier-quote{
  text-align:center;
  margin-top:50px;
  font-family:var(--display);
  font-size:clamp(18px,2.4vw,26px);
  color:var(--red-2);
}

/* ===================================================================
   FINAL CTA
   =================================================================== */
.final-cta{
  background:linear-gradient(160deg, var(--red-deep) 0%, var(--red) 70%);
  color:var(--white);
  text-align:center;
  position:relative;
  overflow:hidden;
}
.final-cta .container{position:relative;z-index:3;}
.final-cta h2{
  font-size:clamp(32px,5vw,58px);
  color:var(--white);
}
.final-cta p{
  max-width:560px;
  margin:22px auto 0;
  font-size:17.5px;
  line-height:1.7;
  color:var(--cream);
  opacity:.9;
}
.final-actions{
  margin-top:42px;
  display:flex;
  gap:18px;
  justify-content:center;
  flex-wrap:wrap;
}
.contact-row{
  margin-top:54px;
  display:flex;
  gap:40px;
  justify-content:center;
  flex-wrap:wrap;
}
.contact-row a{
  font-weight:800;
  font-size:15px;
  display:flex;
  align-items:center;
  gap:9px;
  color:var(--cream);
  opacity:.92;
  transition:opacity .25s, transform .25s;
}
.contact-row a:hover{opacity:1;transform:translateY(-2px);color:var(--gold-soft);}
.cta-doodles svg{position:absolute;opacity:.18;}

/* ===================================================================
   FOOTER
   =================================================================== */
footer{
  background:var(--ink);
  color:#cfc0b8;
  padding:50px 0 30px;
}
.footer-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:22px;
  padding-bottom:30px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-logo{height:36px;}
.footer-nav{
  display:flex;
  gap:28px;
  flex-wrap:wrap;
}
.footer-nav a{font-size:14px;font-weight:700;color:#cfc0b8;}
.footer-nav a:hover{color:var(--gold);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  padding-top:22px;
  font-size:12.5px;
  color:#8c7a73;
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width:980px){
  .problem-grid{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:1fr;}
  .model-grid{grid-template-columns:1fr;}
  .theme-grid{grid-template-columns:1fr;}
  .model-card.featured{transform:none;}
  .formula{flex-direction:column;}
  .formula-op,.formula-eq{transform:rotate(90deg);}
}
@media (max-width:600px){
  section{padding:80px 0;}
  .problem-list{grid-template-columns:1fr;}
  .footer-row,.footer-bottom{flex-direction:column;align-items:flex-start;}
}