/* ===== Nirvana E-Ticaret ===== */
:root{
  --ink:#14112b;
  --ink-2:#3d3a55;
  --muted:#6b6886;
  --line:#e7e4f2;
  --bg:#ffffff;
  --soft:#f6f4fc;
  --violet:#6d4aff;
  --violet-d:#5532f0;
  --coral:#ff6a3d;
  --dark:#110e26;
  --grad:linear-gradient(120deg,#6d4aff 0%,#a64bff 45%,#ff6a3d 100%);
  --radius:18px;
  --shadow:0 20px 50px -20px rgba(40,20,120,.25);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800}
h3{font-size:1.1rem;font-weight:700}
p{color:var(--ink-2)}
.container{width:min(1180px,100% - 32px);margin-inline:auto}
.narrow{width:min(820px,100% - 32px)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.9rem 1.5rem;border-radius:999px;font-weight:700;font-size:.97rem;border:1.5px solid transparent;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;cursor:pointer;font-family:inherit}
.btn--primary{background:var(--violet);color:#fff;box-shadow:0 10px 25px -10px rgba(109,74,255,.7)}
.btn--primary:hover{background:var(--violet-d);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line);background:#fff;color:var(--ink)}
.btn--ghost:hover{border-color:var(--violet);color:var(--violet)}
.btn--sm{padding:.55rem 1.1rem;font-size:.9rem}
.btn--block{width:100%}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-color:var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.15rem}
.logo__text b{font-weight:800;margin-left:.25rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav__links{display:flex;align-items:center;gap:1.8rem;font-weight:600;font-size:.95rem;color:var(--ink-2)}
.nav__links a:not(.btn):hover{color:var(--violet)}
.nav__cta{color:#fff!important}
.nav__toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:8px}
.nav__toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* Hero */
.hero{position:relative;padding:70px 0 90px;overflow:hidden}
.hero__glow{position:absolute;inset:-30% -10% auto auto;width:780px;height:780px;background:radial-gradient(circle,rgba(166,75,255,.22),transparent 62%);pointer-events:none}
.hero__grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;position:relative}
.pill{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .9rem;border-radius:999px;background:var(--soft);border:1px solid var(--line);font-size:.85rem;font-weight:600;color:var(--violet);margin-bottom:1.3rem}
.pill__dot{width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 4px rgba(255,106,61,.18);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(255,106,61,0)}}
.lead{font-size:1.12rem;margin:1.3rem 0 2rem;max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:.8rem}
.hero__checks{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;margin-top:1.8rem;font-size:.92rem;font-weight:600;color:var(--ink-2)}
.hero__checks li::before{content:"✓";color:var(--violet);font-weight:800;margin-right:.4rem}

/* Mock UI */
.hero__visual{position:relative}
.mock{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;transform:perspective(1400px) rotateY(-6deg) rotateX(2deg)}
.mock__bar{display:flex;align-items:center;gap:6px;padding:12px 16px;border-bottom:1px solid var(--line);background:#fbfaff}
.mock__bar i{width:10px;height:10px;border-radius:50%;background:#e2def0}
.mock__bar i:first-child{background:#ff8f6b}
.mock__bar span{margin-left:12px;font-size:.75rem;color:var(--muted);background:#fff;border:1px solid var(--line);padding:2px 12px;border-radius:6px}
.mock__body{display:flex}
.mock__side{width:54px;border-right:1px solid var(--line);padding:16px 12px;display:flex;flex-direction:column;gap:12px}
.mock__side b{height:28px;border-radius:8px;background:var(--soft)}
.mock__side b.on{background:var(--violet)}
.mock__main{flex:1;padding:18px;display:flex;flex-direction:column;gap:12px;min-width:0}
.mock__title{font-weight:800;font-size:.95rem}
.mock__input{display:flex;justify-content:space-between;gap:8px;border:1.5px solid var(--violet);border-radius:10px;padding:9px 12px;font-size:.78rem}
.mock__input span{color:var(--muted)}
.mock__input em{font-style:normal;font-weight:700}
.ai-card{border-radius:12px;padding:12px;background:linear-gradient(135deg,#f4f0ff,#fff4ef);border:1px solid #ece4ff}
.ai-card__head{font-size:.78rem;font-weight:700;color:var(--violet);margin-bottom:8px}
.spark{display:inline-block;animation:spin 4s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.ai-row{display:grid;grid-template-columns:56px 1fr;gap:8px;align-items:center;padding:5px 0;border-top:1px dashed #e4dcfb}
.ai-row small{font-size:.7rem;color:var(--muted);font-weight:600}
.ai-row p{font-size:.78rem;font-weight:600;color:var(--ink)}
.tags{display:flex;flex-wrap:wrap;gap:4px}
.tags em{font-style:normal;font-size:.68rem;font-weight:700;padding:2px 8px;border-radius:999px;background:#fff;border:1px solid #e4dcfb;color:var(--ink-2)}
.mock__stats{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:10px}
.mock__stats>div{border:1px solid var(--line);border-radius:10px;padding:9px 11px}
.mock__stats small{display:block;font-size:.66rem;color:var(--muted);font-weight:600}
.mock__stats strong{font-size:1.15rem}
.chart{display:flex;align-items:flex-end;gap:4px;height:52px}
.chart span{flex:1;height:var(--h);border-radius:4px 4px 2px 2px;background:var(--grad);opacity:.85;transform-origin:bottom;animation:grow 1.2s ease-out both}
.chart span:nth-child(2){animation-delay:.1s}.chart span:nth-child(3){animation-delay:.2s}.chart span:nth-child(4){animation-delay:.3s}.chart span:nth-child(5){animation-delay:.4s}.chart span:nth-child(6){animation-delay:.5s}.chart span:nth-child(7){animation-delay:.6s}
@keyframes grow{from{transform:scaleY(0)}}
.float{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 14px;font-size:.82rem;font-weight:700;box-shadow:var(--shadow);display:flex;gap:8px;align-items:center;animation:bob 5s ease-in-out infinite}
.float--a{left:-28px;bottom:70px}
.float--b{right:-14px;top:-18px;animation-delay:-2.5s;color:var(--violet)}
@keyframes bob{50%{transform:translateY(-10px)}}

/* Strip */
.strip{border-block:1px solid var(--line);background:#fff}
.strip__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.strip__grid>div{padding:30px 20px;text-align:center;border-right:1px solid var(--line)}
.strip__grid>div:last-child{border-right:0}
.strip strong{display:block;font-size:1.9rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.strip span{font-size:.9rem;color:var(--muted);font-weight:500}

/* Sections */
.section{padding:100px 0}
.section--soft{background:var(--soft)}
.section__head{text-align:center;max-width:720px;margin:0 auto 56px}
.section__head p{margin-top:.8rem}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--violet);margin-bottom:.9rem}
.eyebrow--light{color:#c9b8ff}
.split{display:grid;grid-template-columns:1fr 1.2fr;gap:60px}
.split--center{align-items:center;grid-template-columns:1fr 1fr}
.split p+p{margin-top:1rem}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8cfff}
.card__icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:1.2rem;font-weight:800;color:#fff;background:var(--grad);margin-bottom:18px}
.card h3{margin-bottom:.5rem}
.card p{font-size:.93rem}

/* Dark AI section */
.section--dark{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.section--dark::before{content:"";position:absolute;width:600px;height:600px;left:-200px;top:-200px;background:radial-gradient(circle,rgba(109,74,255,.35),transparent 65%)}
.section--dark .container{position:relative}
.section--dark p{color:#bdb8d6;margin-top:1rem}
.ai-list{list-style:none;margin-top:1.8rem;display:grid;gap:12px}
.ai-list li{padding:14px 16px;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:rgba(255,255,255,.03);color:#d9d5ec;font-size:.94rem}
.ai-list b{display:inline-block;min-width:110px;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:#ffb39b}
.flow{display:flex;flex-direction:column;align-items:stretch;max-width:440px;margin-inline:auto}
.flow__step{display:flex;gap:16px;align-items:center;padding:20px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}
.flow__step span{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;background:rgba(255,255,255,.08)}
.flow__step b{display:block}
.flow__step small{color:#a9a3c8}
.flow__step--ai{background:linear-gradient(120deg,rgba(109,74,255,.45),rgba(255,106,61,.3));border-color:rgba(255,255,255,.25);box-shadow:0 0 50px -10px rgba(140,90,255,.6)}
.flow__step--ai span{background:#fff;color:var(--violet);animation:spin 6s linear infinite}
.flow__line{width:2px;height:34px;margin-left:41px;background:linear-gradient(var(--violet),var(--coral))}

/* Steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.steps li{position:relative;padding:28px 24px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.steps__n{display:block;font-size:2.4rem;font-weight:800;line-height:1;margin-bottom:14px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.steps h3{margin-bottom:.4rem}
.steps p{font-size:.93rem}

/* Plans */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}
.plan h3{font-size:1.35rem}
.plan__desc{font-size:.9rem;margin:.4rem 0 1.2rem;color:var(--muted)}
.plan ul{list-style:none;display:grid;gap:9px;margin-bottom:24px;flex:1}
.plan li{font-size:.9rem;color:var(--ink-2);padding-left:1.4rem;position:relative}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--violet);font-weight:800}
.plan--featured{border:2px solid var(--violet);box-shadow:var(--shadow);transform:translateY(-8px)}
.plan__badge{position:absolute;top:-13px;left:24px;background:var(--grad);color:#fff;font-size:.72rem;font-weight:800;padding:4px 12px;border-radius:999px;text-transform:uppercase;letter-spacing:.06em}
.plans__note{text-align:center;margin-top:32px;font-size:.92rem;color:var(--muted)}
.plans__note a{color:var(--violet);font-weight:700;text-decoration:underline}

/* FAQ */
.faq{display:grid;gap:12px}
.faq details{border:1px solid var(--line);border-radius:14px;background:#fff;transition:border-color .2s}
.faq details[open]{border-color:#d1c6ff}
.faq summary{list-style:none;cursor:pointer;padding:20px 56px 20px 22px;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--violet);transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 22px 20px}

/* CTA / Form */
.section--cta{background:var(--dark);color:#fff;background-image:radial-gradient(circle at 85% 20%,rgba(255,106,61,.25),transparent 40%),radial-gradient(circle at 10% 90%,rgba(109,74,255,.35),transparent 45%)}
.section--cta p{color:#c4bfdc;margin-top:1rem}
.contact{list-style:none;margin-top:1.8rem;display:grid;gap:12px}
.contact li{display:flex;align-items:center;gap:12px;font-weight:600}
.contact span{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.08)}
.contact a:hover{color:#ffb39b}
.form{background:#fff;color:var(--ink);border-radius:22px;padding:30px;display:grid;gap:14px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:grid;gap:6px;font-size:.85rem;font-weight:700;color:var(--ink-2)}
.form input,.form textarea{font:inherit;font-weight:500;padding:.75rem .9rem;border:1.5px solid var(--line);border-radius:10px;background:#fbfaff;color:var(--ink);transition:border-color .2s,background .2s;width:100%}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--violet);background:#fff}
.form .invalid{border-color:#e5484d}
.form__check{display:flex!important;grid-template-columns:none;align-items:flex-start;gap:10px!important;font-weight:500!important;font-size:.85rem}
.form__check input{width:auto;margin-top:3px;accent-color:var(--violet)}
.form__check a{color:var(--violet);text-decoration:underline}
.form__msg{font-size:.88rem;font-weight:600;min-height:1.2em;color:var(--violet)!important;margin:0!important}

/* Footer */
.footer{background:#0b0919;color:#a7a2c3;padding:64px 0 28px;font-size:.92rem}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.footer__grid a{display:block;margin-bottom:8px}
.footer__grid a:hover{color:#fff}
.logo--light{color:#fff;margin-bottom:14px}
.footer__desc{color:#a7a2c3;max-width:320px}
.footer__bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:.85rem}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* Responsive */
@media (max-width:1024px){
  .cards,.steps,.plans{grid-template-columns:repeat(2,1fr)}
  .plan--featured{transform:none}
  .hero__grid,.split,.split--center{grid-template-columns:1fr;gap:44px}
  .mock{transform:none}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav__toggle{display:flex}
  .nav__links{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 20px;transform:translateY(-120%);transition:transform .35s ease;box-shadow:0 20px 30px -20px rgba(0,0,0,.2)}
  .nav__links a:not(.btn){padding:14px 4px;border-bottom:1px solid var(--line)}
  .nav__links .nav__cta{margin-top:14px}
  .nav.open .nav__links{transform:none}
  .nav.open .nav__toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav.open .nav__toggle span:nth-child(2){opacity:0}
  .nav.open .nav__toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .strip__grid{grid-template-columns:1fr 1fr}
  .strip__grid>div:nth-child(2){border-right:0}
  .strip__grid>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .section{padding:72px 0}
  .float--a{left:8px;bottom:-22px}
  .float--b{right:8px}
}
@media (max-width:560px){
  .cards,.steps,.plans,.form__row,.footer__grid{grid-template-columns:1fr}
  .mock__stats{grid-template-columns:1fr 1fr}
  .mock__stats .chart{grid-column:1/-1}
  .mock__side{display:none}
  .form{padding:22px}
  .ai-list b{display:block;margin-bottom:4px}
}

/* KVKK dialog */
.kvkk{border:0;border-radius:20px;padding:0;width:min(640px,calc(100% - 32px));max-height:min(80vh,720px);margin:auto;color:var(--ink);box-shadow:0 40px 80px -20px rgba(0,0,0,.5)}
.kvkk::backdrop{background:rgba(17,14,38,.6);backdrop-filter:blur(4px)}
.kvkk__head{position:sticky;top:0;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;background:#fff;border-bottom:1px solid var(--line)}
.kvkk__head h2{font-size:1.25rem}
.kvkk__close{flex:none;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:1.4rem;line-height:1;cursor:pointer;color:var(--ink)}
.kvkk__close:hover{border-color:var(--violet);color:var(--violet)}
.kvkk__body{padding:8px 24px 24px;font-size:.93rem}
.kvkk__body h3{font-size:.98rem;margin:18px 0 6px}
.kvkk__body a{color:var(--violet);text-decoration:underline}