/*
Theme Name: Aiko AI
Theme URI: https://aiko-ai.org/
Author: Aiko AI
Author URI: https://aiko-ai.org/
Description: Aiko AI - premium landing theme for AI girlfriend and AI chat companion experiences.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: aiko-ai
Tags: landing, one-page, dark, ai
*/

/* ============ TOKENS ============ */
:root{
  --bg:#07060d;
  --bg-2:#0d0a18;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.10);
  --text:#f4f1ff;
  --muted:#a49fc0;
  --pink:#ff4d8d;
  --violet:#8b5cf6;
  --cyan:#33e1ff;
  --grad:linear-gradient(115deg,#ff4d8d 0%,#b04cf0 48%,#33e1ff 100%);
  --grad-soft:linear-gradient(115deg,rgba(255,77,141,.18),rgba(51,225,255,.14));
  --radius:22px;
  --shadow:0 24px 70px -24px rgba(255,77,141,.45);
  --maxw:1200px;
  --ff:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --ffd:"Sora",var(--ff);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--ff);
  font-size:17px;line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
section{position:relative}

/* ============ AMBIENT BACKGROUND ============ */
.aura{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.aura span{position:absolute;border-radius:50%;filter:blur(110px);opacity:.42;animation:drift 22s ease-in-out infinite}
.aura span:nth-child(1){width:640px;height:640px;background:#ff2d76;top:-220px;left:-160px}
.aura span:nth-child(2){width:560px;height:560px;background:#7b2dff;top:38%;right:-200px;animation-delay:-7s}
.aura span:nth-child(3){width:520px;height:520px;background:#0ea5b7;bottom:-220px;left:22%;animation-delay:-13s}
@keyframes drift{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(40px,-50px,0) scale(1.14)}}
.grid-fx{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(circle at 50% 20%,#000 10%,transparent 78%)}

/* ============ HEADER ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:90;transition:.35s}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 0}
.site-header.scrolled{background:rgba(7,6,13,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--ffd);font-weight:800;font-size:21px;letter-spacing:-.4px}
.brand .dot{width:34px;height:34px;border-radius:12px;background:var(--grad);box-shadow:var(--shadow);position:relative;flex:0 0 auto}
.brand .dot::after{content:"";position:absolute;inset:8px;border-radius:6px;background:#07060d}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:15px;color:var(--muted);transition:.25s;position:relative}
.nav a:hover{color:#fff}
.nav a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--grad);transition:.3s}
.nav a:hover::after{width:100%}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger i{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.3s;border-radius:2px}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:999px;font-weight:700;font-size:15.5px;letter-spacing:.2px;
  background:var(--grad);color:#fff;border:0;cursor:pointer;position:relative;overflow:hidden;
  box-shadow:var(--shadow);transition:transform .3s cubic-bezier(.2,.9,.3,1.3),filter .3s
}
.btn::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-20deg);animation:sheen 3.4s infinite}
@keyframes sheen{0%{left:-120%}55%,100%{left:160%}}
.btn:hover{transform:translateY(-3px) scale(1.03);filter:saturate(1.15)}
.btn.ghost{background:transparent;border:1px solid var(--line);box-shadow:none;backdrop-filter:blur(10px)}
.btn.ghost::after{display:none}
.btn.ghost:hover{border-color:rgba(255,255,255,.35);background:var(--surface)}
.btn.sm{padding:11px 22px;font-size:14px}
.btn.lg{padding:19px 44px;font-size:17px}

/* ============ TYPO ============ */
h1,h2{font-family:var(--ffd);letter-spacing:-1.4px;line-height:1.08;margin:0 0 18px}
h1{font-size:clamp(40px,6.4vw,74px);font-weight:800}
h2{font-size:clamp(29px,3.9vw,46px);font-weight:800}
p{margin:0 0 18px;color:var(--muted)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);font-size:13px;font-weight:600;
  letter-spacing:1.5px;text-transform:uppercase;color:#e6dcff;margin-bottom:20px}
.eyebrow b{width:7px;height:7px;border-radius:50%;background:var(--pink);box-shadow:0 0 12px var(--pink);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
.lead{font-size:19px;max-width:640px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.sec{padding:104px 0}
.sec-head{max-width:760px;margin:0 auto 56px}

/* ============ REVEAL ============ */
.rv{opacity:0;transform:translateY(38px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}

/* ============ HERO ============ */
.hero{padding:170px 0 90px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero p.lead{font-size:20px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-mini{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;font-size:14px;color:var(--muted)}
.hero-mini span{display:flex;align-items:center;gap:8px}
.hero-mini span::before{content:"";width:18px;height:18px;border-radius:50%;background:var(--grad-soft);border:1px solid var(--line)}
.hero-visual{position:relative}
.hero-visual .frame{border-radius:30px;overflow:hidden;border:1px solid var(--line);box-shadow:0 40px 100px -30px rgba(139,92,246,.55);animation:float 7s ease-in-out infinite}
.hero-visual .frame img{width:100%;aspect-ratio:3/2.35;object-fit:cover}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.chip{position:absolute;padding:12px 18px;border-radius:16px;background:rgba(13,10,24,.82);
  border:1px solid var(--line);backdrop-filter:blur(16px);font-size:13.5px;font-weight:600;box-shadow:0 18px 40px -18px #000}
.chip.a{left:-18px;bottom:56px;animation:float 6s ease-in-out infinite}
.chip.b{right:-14px;top:44px;animation:float 8s ease-in-out infinite reverse}
.chip small{display:block;color:var(--muted);font-weight:500;font-size:12px}

/* ============ MARQUEE / STATS ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{padding:28px 22px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);text-align:center;transition:.35s}
.stat:hover{transform:translateY(-6px);border-color:rgba(255,77,141,.45);background:var(--surface-2)}
.stat b{display:block;font-family:var(--ffd);font-size:36px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat b span{font-size:inherit;font-weight:inherit;font-family:inherit;color:inherit;background:none}
.stat>span{font-size:14px;color:var(--muted)}

.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;background:rgba(255,255,255,.02)}
.marquee ul{display:flex;gap:52px;margin:0;padding:0;list-style:none;white-space:nowrap;animation:slide 28s linear infinite;font-family:var(--ffd);font-weight:700;font-size:18px;color:rgba(255,255,255,.35)}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============ CARD GRIDS ============ */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{padding:32px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);
  position:relative;overflow:hidden;transition:.4s}
.card::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:.4s}
.card:hover{transform:translateY(-8px);border-color:rgba(139,92,246,.5)}
.card:hover::before{opacity:1}
.card>*{position:relative}
.card .ic{width:52px;height:52px;border-radius:16px;background:var(--grad);display:grid;place-items:center;
  font-size:23px;margin-bottom:18px;box-shadow:var(--shadow)}
.card strong{display:block;font-family:var(--ffd);font-size:20px;margin-bottom:10px;letter-spacing:-.4px}
.card p{margin:0;font-size:15.5px}
.step-n{font-family:var(--ffd);font-size:52px;font-weight:800;line-height:1;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}

/* ============ MODELS ============ */
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.model{position:relative;border-radius:26px;overflow:hidden;border:1px solid var(--line);
  transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.8,.2,1),box-shadow .5s}
.model img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .8s cubic-bezier(.2,.8,.2,1);filter:saturate(1.05)}
.model:hover{transform:translateY(-10px);box-shadow:0 40px 80px -30px rgba(255,77,141,.55)}
.model:hover img{transform:scale(1.08)}
.model .meta{position:absolute;inset:auto 0 0 0;padding:60px 22px 22px;
  background:linear-gradient(to top,rgba(7,6,13,.94),rgba(7,6,13,.5) 55%,transparent)}
.model .meta strong{display:block;font-family:var(--ffd);font-size:22px;letter-spacing:-.4px}
.model .meta em{font-style:normal;font-size:14px;color:var(--muted);display:block;margin-bottom:12px}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
.tags i{font-style:normal;font-size:11.5px;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.1);
  border:1px solid var(--line);letter-spacing:.4px}
.badge-live{position:absolute;top:14px;left:14px;display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;
  padding:6px 13px;border-radius:999px;background:rgba(7,6,13,.7);border:1px solid var(--line);backdrop-filter:blur(10px)}
.badge-live b{width:7px;height:7px;border-radius:50%;background:#37f39a;box-shadow:0 0 10px #37f39a;animation:pulse 1.6s infinite}

/* ============ CHAT MOCK ============ */
.chat-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.phone{max-width:400px;margin:0 auto;border-radius:34px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));padding:20px;
  box-shadow:0 50px 110px -40px rgba(139,92,246,.7);animation:float 8s ease-in-out infinite}
.phone .top{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:18px}
.phone .top img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.phone .top b{font-family:var(--ffd);font-size:16px}
.phone .top small{display:block;color:#37f39a;font-size:12px}
.bub{max-width:82%;padding:13px 17px;border-radius:20px;font-size:15px;margin-bottom:12px;line-height:1.55;animation:pop .6s both}
.bub.them{background:rgba(255,255,255,.08);border:1px solid var(--line);border-bottom-left-radius:6px}
.bub.me{background:var(--grad);margin-left:auto;border-bottom-right-radius:6px;color:#fff}
.bub:nth-child(2){animation-delay:.15s}.bub:nth-child(3){animation-delay:.35s}
.bub:nth-child(4){animation-delay:.55s}.bub:nth-child(5){animation-delay:.75s}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:none}}
.typing{display:inline-flex;gap:5px;padding:15px 18px;border-radius:20px;background:rgba(255,255,255,.08);border:1px solid var(--line)}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:bounce 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-6px);opacity:1}}
.tick{display:flex;gap:14px;margin-bottom:18px}
.tick b{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:13px}
.tick span{color:var(--muted);font-size:15.5px}

/* ============ EDITORIAL TEXT ============ */
.editorial{border-radius:30px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));padding:56px}
.editorial p{font-size:17.5px;color:#cfc9e6}
.editorial p:last-child{margin-bottom:0}
.pull{border-left:3px solid var(--pink);padding-left:22px;font-family:var(--ffd);font-size:22px;color:#fff;line-height:1.5;margin:28px 0}

/* ============ TESTIMONIALS ============ */
.quote{padding:30px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);transition:.4s}
.quote:hover{transform:translateY(-6px);background:var(--surface-2)}
.stars{color:#ffcb45;letter-spacing:3px;margin-bottom:12px;font-size:15px}
.who{display:flex;align-items:center;gap:12px;margin-top:18px}
.who span{width:40px;height:40px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:800;font-size:15px}
.who b{font-size:15px;display:block}
.who small{color:var(--muted);font-size:13px}

/* ============ PRICING ============ */
.plan{padding:34px;border-radius:26px;border:1px solid var(--line);background:var(--surface);position:relative;transition:.4s}
.plan:hover{transform:translateY(-8px)}
.plan.hot{border-color:rgba(255,77,141,.6);background:linear-gradient(170deg,rgba(255,77,141,.14),rgba(51,225,255,.06));box-shadow:var(--shadow)}
.plan .tag{position:absolute;top:-13px;left:34px;padding:5px 15px;border-radius:999px;background:var(--grad);font-size:12px;font-weight:800;letter-spacing:.6px}
.plan strong{display:block;font-family:var(--ffd);font-size:19px;margin-bottom:6px}
.price{font-family:var(--ffd);font-size:44px;font-weight:800;letter-spacing:-2px;margin:10px 0 4px}
.price sub{font-size:15px;font-weight:500;color:var(--muted);letter-spacing:0;vertical-align:baseline}
.plan ul{list-style:none;padding:0;margin:22px 0 26px}
.plan li{padding:8px 0 8px 28px;position:relative;color:var(--muted);font-size:15px;border-bottom:1px dashed rgba(255,255,255,.07)}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--pink);font-weight:800}
.plan .btn{width:100%}

/* ============ FAQ ============ */
.faq{max-width:840px;margin:0 auto}
.q{border:1px solid var(--line);border-radius:18px;background:var(--surface);margin-bottom:14px;overflow:hidden;transition:.3s}
.q:hover{border-color:rgba(139,92,246,.45)}
.q button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;text-align:left;
  padding:22px 26px;background:none;border:0;color:#fff;font-size:17px;font-weight:600;cursor:pointer;font-family:var(--ffd)}
.q button i{font-style:normal;font-size:24px;line-height:1;transition:.35s;color:var(--pink)}
.q.open button i{transform:rotate(45deg)}
.q .a{max-height:0;overflow:hidden;transition:max-height .45s ease}
.q .a p{padding:0 26px 24px;margin:0;font-size:16px}

/* ============ CTA BAND ============ */
.band{border-radius:34px;padding:70px 40px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(140deg,rgba(255,77,141,.22),rgba(139,92,246,.18),rgba(51,225,255,.14));border:1px solid var(--line)}
.band::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(255,77,141,.28);
  filter:blur(100px);top:-200px;left:50%;transform:translateX(-50%)}
.band>*{position:relative}

/* ============ FOOTER ============ */
.site-footer{border-top:1px solid var(--line);padding:64px 0 34px;margin-top:40px;background:rgba(255,255,255,.015)}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:44px}
.f-grid p{font-size:15px;max-width:380px}
.f-grid b{display:block;font-family:var(--ffd);font-size:16px;margin-bottom:16px}
.f-grid ul{list-style:none;padding:0;margin:0}
.f-grid li{margin-bottom:10px}
.f-grid a{color:var(--muted);font-size:15px;transition:.25s}
.f-grid a:hover{color:#fff}
.f-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}

/* ============ LEGAL PAGES ============ */
.legal{padding:150px 0 70px}
.legal .box{border:1px solid var(--line);border-radius:28px;background:var(--surface);padding:48px}
.legal h2{font-size:23px;margin:38px 0 12px;letter-spacing:-.6px}
.legal h2:first-of-type{margin-top:22px}
.legal p,.legal li{color:#c6c0dd;font-size:16.5px}
.legal ul{padding-left:22px}
.legal li{margin-bottom:8px}
.legal .upd{display:inline-block;padding:7px 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface-2);font-size:13.5px;color:var(--muted);margin-bottom:10px}
.legal .toc{border:1px solid var(--line);border-radius:18px;padding:24px 28px;background:rgba(255,255,255,.03);margin-top:26px}
.legal .toc ol{margin:0;padding-left:20px;columns:2;column-gap:34px}
.legal .toc li{font-size:15px;margin-bottom:6px}
.legal .toc a{color:var(--muted)}
.legal .toc a:hover{color:var(--pink)}

/* ============ SCROLL PROGRESS / TOP ============ */
#prog{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:120}
#top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);
  background:rgba(13,10,24,.85);color:#fff;font-size:19px;cursor:pointer;opacity:0;pointer-events:none;transition:.35s;z-index:95;backdrop-filter:blur(12px)}
#top.show{opacity:1;pointer-events:auto}
#top:hover{background:var(--grad)}

/* ============ RESPONSIVE ============ */
@media(max-width:980px){
  .hero-grid,.chat-wrap{grid-template-columns:1fr}
  .g3,.models{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr 1fr}
  .nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;gap:0;padding:14px 0;
    background:rgba(7,6,13,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(20px);
    max-height:0;overflow:hidden;transition:max-height .4s ease}
  .nav.open{max-height:420px}
  .nav a{padding:13px 22px;width:100%}
  .nav .btn{margin:10px 22px;width:calc(100% - 44px)}
  .burger{display:block}
  .sec{padding:74px 0}
  .editorial,.legal .box{padding:30px 22px}
  .legal .toc ol{columns:1}
}
@media(max-width:620px){
  body{font-size:16px}
  .g2,.g3,.models,.stats,.f-grid{grid-template-columns:1fr}
  .hero{padding:132px 0 60px}
  .chip{display:none}
  .band{padding:48px 22px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}