/*
Theme Name: Aiko AI
Theme URI: https://aiko-ai.net/
Author: Aiko AI Studio
Description: Aiko AI - premium AI girlfriend and companion chat showcase theme.
Version: 1.4.2
License: GNU General Public License v2 or later
Text Domain: aiko-ai
*/

:root{
  --bg:#07060f;
  --bg-2:#0d0a1c;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --txt:#f3eefb;
  --muted:#a99fc4;
  --pink:#ff4d9d;
  --violet:#8b5cff;
  --cyan:#3fe0d0;
  --grad:linear-gradient(112deg,#ff4d9d 0%,#a24bff 48%,#3fe0d0 100%);
  --grad-soft:linear-gradient(140deg,rgba(255,77,157,.20),rgba(139,92,255,.14));
  --r:22px;
  --shadow:0 30px 80px -30px rgba(255,77,157,.45);
  --font:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--bg);color:var(--txt);
  font-family:var(--font);font-size:17px;line-height:1.72;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2{line-height:1.1;margin:0 0 .5em;letter-spacing:-.025em;font-weight:800}
h1{font-size:clamp(2.3rem,6vw,4.35rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.7rem)}
p{margin:0 0 1.1em}
ul,ol{padding-left:1.25em}
li{margin:.45em 0}
.wrap{width:min(1220px,92vw);margin:0 auto}
.narrow{width:min(880px,92vw);margin:0 auto}
.grad-txt{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;font-size:.74rem;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;color:var(--pink);
  border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:.45rem 1rem;margin-bottom:1.2rem;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);box-shadow:0 0 12px var(--pink)}
.lead{color:var(--muted);font-size:1.06rem;max-width:62ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
section{position:relative;padding:96px 0}
section:nth-of-type(even){background:linear-gradient(180deg,rgba(139,92,255,.045),transparent)}

/* ---------- aurora background ---------- */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none}
.aurora span{position:absolute;border-radius:50%;filter:blur(120px);opacity:.5;animation:drift 22s ease-in-out infinite alternate}
.aurora span:nth-child(1){width:46vw;height:46vw;left:-10vw;top:-8vw;background:#ff4d9d}
.aurora span:nth-child(2){width:40vw;height:40vw;right:-8vw;top:22vh;background:#8b5cff;animation-delay:-6s}
.aurora span:nth-child(3){width:38vw;height:38vw;left:24vw;bottom:-14vw;background:#3fe0d0;opacity:.32;animation-delay:-12s}
@keyframes drift{to{transform:translate3d(6vw,5vh,0) scale(1.18)}}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.055;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.85'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;backdrop-filter:blur(18px);
  background:rgba(7,6,15,.66);border-bottom:1px solid var(--line);transition:.35s}
.site-header.is-stuck{background:rgba(7,6,15,.92);box-shadow:0 12px 40px -22px #000}
.hd{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:14px 0}
.brand{display:flex;align-items:center;gap:.65rem;font-weight:800;font-size:1.3rem;letter-spacing:-.03em}
.brand-mark{width:38px;height:38px;border-radius:13px;background:var(--grad);position:relative;box-shadow:var(--shadow);flex:none}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:6px;background:#07060f}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{font-size:.95rem;font-weight:600;color:var(--muted);transition:.25s;position:relative}
.nav a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--grad);transition:.3s}
.nav a:hover{color:#fff}
.nav a:hover::after{width:100%}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:#fff;border-radius:12px;padding:.5rem .7rem;font-size:1.1rem}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.95rem 1.85rem;border-radius:999px;font-weight:700;font-size:.98rem;
  border:1px solid transparent;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s;position:relative;overflow:hidden}
.btn-primary{background:var(--grad);color:#0a0714;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 26px 60px -18px rgba(255,77,157,.75)}
.btn-ghost{border-color:var(--line);background:var(--panel);color:#fff}
.btn-ghost:hover{background:var(--panel-2);transform:translateY(-3px)}
.btn-lg{padding:1.15rem 2.4rem;font-size:1.05rem}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{padding:110px 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1;background-size:cover;background-position:center;opacity:.30}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,6,15,.55),var(--bg) 88%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero p.lead{font-size:1.16rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:1rem;margin:2rem 0 1.6rem}
.trust{display:flex;flex-wrap:wrap;gap:1.6rem;color:var(--muted);font-size:.9rem}
.trust b{color:#fff;display:block;font-size:1.35rem;line-height:1.2}
.hero-art{position:relative}
.hero-card{position:relative;z-index:1;border-radius:30px;overflow:hidden;border:1px solid var(--line);box-shadow:0 50px 110px -40px rgba(255,77,157,.6);
  transform:rotate(-2deg);animation:float 7s ease-in-out infinite}
.hero-card img{aspect-ratio:3/4;object-fit:cover;width:100%}
@keyframes float{50%{transform:rotate(-2deg) translateY(-16px)}}
.chat-bubble{position:absolute;z-index:5;background:rgba(13,10,28,.9);border:1px solid var(--line);border-radius:18px;
  padding:.75rem 1.05rem;font-size:.88rem;backdrop-filter:blur(12px);box-shadow:0 20px 50px -20px #000;max-width:230px}
.chat-bubble.b1{top:9%;left:-8%;animation:float 6s ease-in-out infinite}
.chat-bubble.b2{bottom:12%;right:-6%;animation:float 6s ease-in-out .8s infinite}
.chat-bubble small{color:var(--pink);font-weight:700;display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:.35s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-8px);border-color:rgba(255,77,157,.5);background:var(--panel-2)}
.card h2{font-size:1.22rem;margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.96rem;margin:0}
.ico{width:52px;height:52px;border-radius:16px;background:var(--grad-soft);border:1px solid var(--line);
  display:grid;place-items:center;font-size:1.5rem;margin-bottom:1.1rem}
.num{font-size:2.6rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}

/* ---------- model cards ---------- */
.model-card{border-radius:26px;overflow:hidden;border:1px solid var(--line);position:relative;display:block;background:#0d0a1c;transition:.4s}
.model-card:hover{transform:translateY(-10px);box-shadow:0 40px 90px -35px rgba(255,77,157,.65);border-color:rgba(255,77,157,.55)}
.model-card .ph{position:relative;overflow:hidden}
.model-card img{aspect-ratio:3/4;object-fit:cover;width:100%;transition:transform .8s cubic-bezier(.2,.8,.2,1)}
.model-card:hover img{transform:scale(1.07)}
.model-card .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(7,6,15,.92))}
.model-meta{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2}
.model-meta h2{font-size:1.3rem;margin:0 0 .2rem}
.model-meta span{color:var(--muted);font-size:.88rem}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.7rem}
.tag{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid var(--line);background:rgba(255,255,255,.07);border-radius:999px;padding:.28rem .7rem}
.badge-live{position:absolute;top:14px;left:14px;z-index:3;background:rgba(7,6,15,.72);border:1px solid var(--line);
  border-radius:999px;padding:.3rem .75rem;font-size:.72rem;font-weight:700;display:flex;align-items:center;gap:.4rem}
.badge-live i{width:7px;height:7px;border-radius:50%;background:#3fe0d0;box-shadow:0 0 10px #3fe0d0;animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.25}}

/* ---------- steps / marquee / faq ---------- */
.step{display:flex;gap:1.2rem;align-items:flex-start}
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:20px 0;background:rgba(255,255,255,.03)}
.marquee-track{display:flex;gap:3rem;width:max-content;animation:slide 28s linear infinite;font-weight:700;
  text-transform:uppercase;letter-spacing:.18em;font-size:.85rem;color:var(--muted)}
.marquee-track span{white-space:nowrap}
@keyframes slide{to{transform:translateX(-50%)}}
.faq-item{border:1px solid var(--line);border-radius:18px;background:var(--panel);margin-bottom:14px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:0;color:#fff;font:inherit;font-weight:700;
  padding:20px 24px;display:flex;justify-content:space-between;gap:1rem;cursor:pointer}
.faq-q::after{content:"+";color:var(--pink);font-size:1.4rem;line-height:1;transition:.3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--muted)}
.faq-a div{padding:0 24px 20px}
.faq-item.open .faq-a{max-height:420px}

/* ---------- prose / legal ---------- */
.prose{color:#d9d2ec}
.prose h2{margin-top:2.2em;font-size:1.35rem}
.prose ol{counter-reset:none}
.page-hero{padding:78px 0 34px;border-bottom:1px solid var(--line)}
.crumbs{color:var(--muted);font-size:.87rem;margin-bottom:1rem}
.crumbs a:hover{color:var(--pink)}
.legal-list li{margin:.75em 0;color:#cec6e4}
.legal-list li b{color:#fff}

/* ---------- cta band / footer ---------- */
.cta-band{background:var(--grad-soft);border:1px solid var(--line);border-radius:34px;padding:64px 44px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;background:var(--pink);filter:blur(150px);opacity:.35;top:-160px;left:-80px}
.site-footer{border-top:1px solid var(--line);padding:64px 0 34px;background:rgba(0,0,0,.32)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.site-footer a{color:var(--muted);font-size:.94rem}
.site-footer a:hover{color:var(--pink)}
.site-footer ul{list-style:none;padding:0;margin:0}
.foot-title{font-weight:700;margin-bottom:.9rem;font-size:.95rem;letter-spacing:.05em;text-transform:uppercase}
.copy{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:.86rem;
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:980px){
  .hero-grid,.g4,.g3,.g2,.foot-grid{grid-template-columns:1fr}
  .g4,.g3{grid-template-columns:repeat(2,1fr)}
  .nav{position:fixed;inset:64px 0 auto;flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(7,6,15,.98);border-bottom:1px solid var(--line);padding:0 6vw;max-height:0;overflow:hidden;transition:.35s}
  .nav.open{max-height:420px;padding:18px 6vw 26px}
  .nav a{padding:.7rem 0;width:100%}
  .menu-btn{display:block}
  .chat-bubble{display:none}
  section{padding:70px 0}
}
@media(max-width:620px){
  .g4,.g3{grid-template-columns:1fr}
  .cta-band{padding:44px 22px;border-radius:24px}
  body{font-size:16px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}