/* =====================================================
   Smart Bay Connect — Landing Page Styles
   ===================================================== */

/* ── Reset & Base ──────────────────────────────────── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{
    font-family:'Inter',system-ui,-apple-system,sans-serif;
    background:#070b1e;
    color:#c8cfe0;
    line-height:1.7;
    overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font:inherit;border:none;cursor:pointer;background:none}

/* ── Utility ──────────────────────────────────────── */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.gradient-text{
    background:linear-gradient(135deg,#00BCD4,#1565C0,#7C4DFF);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}
.section-tag{
    display:inline-block;
    padding:6px 18px;
    border-radius:40px;
    background:rgba(0,188,212,.1);
    color:#00BCD4;
    font-size:.8rem;
    font-weight:600;
    letter-spacing:.05em;
    text-transform:uppercase;
    margin-bottom:16px;
}
.section-title{
    font-size:clamp(1.8rem,4vw,2.8rem);
    font-weight:800;
    color:#fff;
    text-align:center;
    margin-bottom:12px;
    line-height:1.2;
}
.section-title--left{text-align:left}
.section-desc{
    text-align:center;
    max-width:550px;
    margin:0 auto 48px;
    font-size:1.05rem;
    color:#8892a8;
}
.section-header{margin-bottom:24px;text-align:center}

/* ── Buttons ──────────────────────────────────────── */
.btn{
    display:inline-flex;align-items:center;justify-content:center;
    padding:14px 32px;border-radius:14px;font-weight:600;
    font-size:.95rem;transition:all .3s;gap:8px;
}
.btn--primary{
    background:linear-gradient(135deg,#1565C0,#00BCD4);
    color:#fff;
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,188,212,.3)}
.btn--glow{
    background:linear-gradient(135deg,#1565C0,#00BCD4);
    color:#fff;
    box-shadow:0 4px 20px rgba(0,188,212,.35);
}
.btn--glow:hover{transform:translateY(-3px);box-shadow:0 8px 40px rgba(0,188,212,.5)}
.btn--outline{
    border:2px solid rgba(255,255,255,.15);
    color:#fff;
    background:transparent;
}
.btn--outline:hover{border-color:#00BCD4;color:#00BCD4}
.btn--lg{padding:18px 40px;font-size:1.05rem;border-radius:16px}

/* ── Header ───────────────────────────────────────── */
.header{
    position:fixed;top:0;left:0;width:100%;z-index:1000;
    padding:12px 0;
    transition:background .3s, box-shadow .3s, padding .3s;
}
.header.scrolled{
    background:rgba(7,11,30,.92);
    backdrop-filter:blur(16px);
    box-shadow:0 2px 30px rgba(0,0,0,.35);
    padding:8px 0;
}
.header__inner{
    display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.header__logo-img{height:44px;width:auto;border-radius:8px}
.header__nav{display:flex;gap:28px}
.header__link{
    font-size:.88rem;font-weight:500;color:#8892a8;
    transition:color .25s;position:relative;
}
.header__link::after{
    content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
    background:linear-gradient(90deg,#00BCD4,#1565C0);transition:width .3s;
}
.header__link:hover{color:#fff}
.header__link:hover::after{width:100%}
.header__cta{padding:10px 24px;font-size:.85rem}
.header__languages{display:flex;align-items:center;gap:4px;padding:4px 8px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}
.header__languages-link{
    font-size:.78rem;font-weight:600;color:#6b758a;
    padding:4px 10px;border-radius:8px;
    text-transform:uppercase;letter-spacing:.04em;
    transition:all .25s;
}
.header__languages-link:hover{color:#fff}
.header__languages-link--active{color:#fff;background:rgba(0,188,212,.2)}
.header__burger{display:none;flex-direction:column;gap:5px;width:28px}
.header__burger span{display:block;height:2.5px;background:#fff;border-radius:4px;transition:all .3s}

/* ── Hero ─────────────────────────────────────────── */
.hero{
    min-height:100vh;display:flex;align-items:center;
    padding:120px 0 80px;position:relative;overflow:hidden;
}
.hero__bg-shapes{position:absolute;inset:0;pointer-events:none}
.hero__circle{position:absolute;border-radius:50%;filter:blur(120px);opacity:.25}
.hero__circle--1{width:600px;height:600px;background:#1565C0;top:-150px;right:-150px}
.hero__circle--2{width:400px;height:400px;background:#7C4DFF;bottom:-100px;left:-100px}
.hero__circle--3{width:300px;height:300px;background:#00BCD4;top:40%;left:50%}

.hero__inner{
    display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
    position:relative;z-index:1;
}
.hero__badge{
    display:inline-block;padding:8px 20px;border-radius:40px;
    background:rgba(0,188,212,.1);border:1px solid rgba(0,188,212,.2);
    color:#00BCD4;font-size:.82rem;font-weight:600;margin-bottom:24px;
}
.hero__title{
    font-size:clamp(2.2rem,5vw,3.6rem);
    font-weight:900;color:#fff;line-height:1.15;margin-bottom:24px;
}
.hero__subtitle{
    font-size:1.1rem;color:#8892a8;line-height:1.8;
    max-width:500px;margin-bottom:36px;
}
.hero__actions{display:flex;gap:16px;flex-wrap:wrap}

/* Floating cards */
.hero__card-stack{position:relative;width:100%;height:420px}
.hero__floating-card{
    position:absolute;display:flex;align-items:center;gap:12px;
    padding:16px 24px;border-radius:16px;
    background:rgba(255,255,255,.06);backdrop-filter:blur(12px);
    border:1px solid rgba(255,255,255,.1);
    color:#fff;font-size:.9rem;font-weight:500;
    box-shadow:0 8px 32px rgba(0,0,0,.2);
    animation:float 6s ease-in-out infinite;
}
.hero__floating-icon{font-size:1.5rem}
.hero__floating-card--1{top:10%;left:5%;animation-delay:0s}
.hero__floating-card--2{top:35%;right:0;animation-delay:1.5s}
.hero__floating-card--3{bottom:20%;left:10%;animation-delay:3s}
.hero__floating-card--4{bottom:5%;right:15%;animation-delay:4.5s}

@keyframes float{
    0%,100%{transform:translateY(0)}
    50%{transform:translateY(-18px)}
}

/* ── Stats ────────────────────────────────────────── */
.stats{
    padding:60px 0;
    background:linear-gradient(180deg,rgba(21,101,192,.08),transparent);
    border-top:1px solid rgba(255,255,255,.05);
    border-bottom:1px solid rgba(255,255,255,.05);
}
.stats__inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat__number{
    font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;
    background:linear-gradient(135deg,#00BCD4,#1565C0);
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;
    background-clip:text;
}
.stat__suffix{
    font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;
    background:linear-gradient(135deg,#00BCD4,#1565C0);
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;
    background-clip:text;
}
.stat__label{display:block;font-size:.9rem;color:#6b758a;margin-top:4px}

/* ── How It Works ─────────────────────────────────── */
.how{padding:100px 0}
.how__steps{
    display:flex;align-items:stretch;gap:0;justify-content:center;
    flex-wrap:wrap;
}
.how__step{
    flex:1;min-width:220px;max-width:260px;
    padding:36px 28px;border-radius:20px;
    background:rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.06);
    text-align:center;position:relative;
    transition:transform .3s,background .3s;
}
.how__step:hover{
    transform:translateY(-8px);
    background:rgba(255,255,255,.06);
}
.how__step-num{
    position:absolute;top:16px;right:20px;
    font-size:.75rem;font-weight:700;color:rgba(0,188,212,.4);
}
.how__step-icon{font-size:2.4rem;margin-bottom:16px}
.how__step-title{font-size:1.05rem;font-weight:700;color:#fff;margin-bottom:8px}
.how__step-text{font-size:.88rem;color:#8892a8;line-height:1.6}

.how__connector{
    width:60px;min-width:40px;align-self:center;
    position:relative;display:flex;align-items:center;justify-content:center;
}
.how__connector::before{
    content:'';width:100%;height:2px;
    background:linear-gradient(90deg,transparent,#00BCD4,transparent);
}

/* ── Benefits (Buyers) ────────────────────────────── */
.benefits{padding:100px 0;background:linear-gradient(180deg,transparent,rgba(21,101,192,.05),transparent)}
.benefits__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.benefit-card{
    padding:36px 28px;border-radius:20px;
    background:rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.06);
    transition:all .35s;position:relative;overflow:hidden;
}
.benefit-card::before{
    content:'';position:absolute;top:0;left:0;right:0;height:3px;
    background:linear-gradient(90deg,#00BCD4,#1565C0);
    transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.benefit-card:hover::before{transform:scaleX(1)}
.benefit-card:hover{
    transform:translateY(-6px);
    background:rgba(255,255,255,.06);
    border-color:rgba(0,188,212,.15);
}
.benefit-card__icon{font-size:2.2rem;margin-bottom:16px}
.benefit-card__title{font-size:1.1rem;font-weight:700;color:#fff;margin-bottom:8px}
.benefit-card__text{font-size:.9rem;color:#8892a8;line-height:1.7}

/* ── Sellers ──────────────────────────────────────── */
.sellers{padding:100px 0}
.sellers__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.seller-card{
    padding:40px 32px;border-radius:20px;
    background:linear-gradient(145deg,rgba(21,101,192,.08),rgba(0,188,212,.04));
    border:1px solid rgba(21,101,192,.12);
    text-align:center;transition:all .35s;
}
.seller-card:hover{
    transform:translateY(-8px);
    box-shadow:0 12px 40px rgba(21,101,192,.15);
    border-color:rgba(21,101,192,.25);
}
.seller-card__icon-wrap{
    width:64px;height:64px;margin:0 auto 20px;
    display:flex;align-items:center;justify-content:center;
    border-radius:16px;
    background:linear-gradient(135deg,rgba(21,101,192,.15),rgba(0,188,212,.1));
    color:#00BCD4;
}
.seller-card__icon{width:32px;height:32px}
.seller-card__title{font-size:1.1rem;font-weight:700;color:#fff;margin-bottom:8px}
.seller-card__text{font-size:.9rem;color:#8892a8;line-height:1.7}

/* ── AI & FinTech ─────────────────────────────────── */
.ai-section{padding:100px 0;background:linear-gradient(180deg,transparent,rgba(124,77,255,.04),transparent)}
.ai-section__inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.ai-section__text{font-size:1.05rem;color:#8892a8;line-height:1.8;margin-bottom:32px}
.ai-section__features{display:flex;flex-direction:column;gap:20px}
.ai-feature{display:flex;gap:16px;align-items:flex-start}
.ai-feature__dot{
    width:10px;height:10px;min-width:10px;border-radius:50%;margin-top:8px;
    background:linear-gradient(135deg,#00BCD4,#1565C0);
}
.ai-feature strong{color:#fff;font-size:.95rem;display:block;margin-bottom:2px}
.ai-feature p{font-size:.88rem;color:#6b758a;line-height:1.6}

/* AI Visual */
.ai-visual{
    position:relative;width:340px;height:340px;margin:0 auto;
}
.ai-visual__ring{
    position:absolute;border-radius:50%;
    border:1.5px solid rgba(0,188,212,.15);
    top:50%;left:50%;transform:translate(-50%,-50%);
}
.ai-visual__ring--1{width:100%;height:100%;animation:spin 25s linear infinite}
.ai-visual__ring--2{width:72%;height:72%;animation:spin 18s linear infinite reverse}
.ai-visual__ring--3{width:44%;height:44%;animation:spin 12s linear infinite}
.ai-visual__core{
    position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
    width:80px;height:80px;border-radius:50%;
    background:linear-gradient(135deg,#1565C0,#00BCD4);
    display:flex;align-items:center;justify-content:center;
    font-weight:900;font-size:1.4rem;color:#fff;
    box-shadow:0 0 60px rgba(0,188,212,.35);
}
.ai-visual__node{
    position:absolute;font-size:1.6rem;
    animation:float 5s ease-in-out infinite;
}
.ai-visual__node--1{top:0;left:50%;transform:translateX(-50%);animation-delay:0s}
.ai-visual__node--2{top:50%;right:0;transform:translateY(-50%);animation-delay:1.2s}
.ai-visual__node--3{bottom:0;left:50%;transform:translateX(-50%);animation-delay:2.4s}
.ai-visual__node--4{top:50%;left:0;transform:translateY(-50%);animation-delay:3.6s}

@keyframes spin{0%{transform:translate(-50%,-50%) rotate(0)}100%{transform:translate(-50%,-50%) rotate(360deg)}}

/* ── FAQ ──────────────────────────────────────────── */
.faq{padding:100px 0}
.faq__list{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq__item{
    border-radius:16px;overflow:hidden;
    background:rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.06);
    transition:border-color .3s;
}
.faq__item.active{border-color:rgba(0,188,212,.2)}
.faq__question{
    width:100%;display:flex;align-items:center;justify-content:space-between;
    padding:20px 24px;color:#fff;font-weight:600;font-size:.95rem;
    text-align:left;transition:color .3s;
}
.faq__question:hover{color:#00BCD4}
.faq__chevron{
    font-size:1.2rem;transition:transform .3s;color:#8892a8;
}
.faq__item.active .faq__chevron{transform:rotate(180deg);color:#00BCD4}
.faq__answer{
    max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s;
    padding:0 24px;
}
.faq__item.active .faq__answer{
    max-height:300px;padding:0 24px 20px;
}
.faq__answer p{font-size:.9rem;color:#8892a8;line-height:1.7}

/* ── CTA ──────────────────────────────────────────── */
.cta{padding:80px 0 100px}
.cta__inner{
    text-align:center;padding:72px 48px;border-radius:28px;
    background:linear-gradient(135deg,rgba(21,101,192,.12),rgba(0,188,212,.08));
    border:1px solid rgba(0,188,212,.12);
    position:relative;overflow:hidden;
}
.cta__inner::before{
    content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
    background:radial-gradient(circle,rgba(0,188,212,.06),transparent 70%);
    pointer-events:none;
}
.cta__title{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;color:#fff;margin-bottom:16px}
.cta__text{font-size:1.05rem;color:#8892a8;max-width:500px;margin:0 auto 32px}
.cta__actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ── Footer ───────────────────────────────────────── */
.footer{
    padding:60px 0 30px;
    border-top:1px solid rgba(255,255,255,.05);
    background:rgba(0,0,0,.2);
}
.footer__inner{display:flex;flex-direction:column;gap:40px}
.footer__brand{display:flex;flex-direction:column;gap:12px}
.footer__logo{height:40px;width:auto;object-fit:contain;border-radius:8px}
.footer__desc{font-size:.88rem;color:#6b758a;max-width:350px}
.footer__links{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer__col{display:flex;flex-direction:column;gap:10px}
.footer__col-title{font-size:.82rem;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.footer__link{font-size:.88rem;color:#6b758a;transition:color .25s}
.footer__link:hover{color:#00BCD4}
.footer__link--playmarket{display:inline-flex;align-items:center;gap:8px}
.footer__bottom{
    text-align:center;padding-top:24px;
    border-top:1px solid rgba(255,255,255,.05);
    font-size:.82rem;color:#4a5568;
}

/* ── Reveal Animation ─────────────────────────────── */
.reveal{
    opacity:0;transform:translateY(36px);
    transition:opacity .7s ease,transform .7s ease;
}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ── Mobile Overlay Nav ───────────────────────────── */
@media(max-width:900px){
    .header__nav{
        position:fixed;top:0;right:-100%;width:280px;height:100vh;
        flex-direction:column;gap:0;padding:80px 32px 32px;
        background:rgba(7,11,30,.97);backdrop-filter:blur(20px);
        border-left:1px solid rgba(255,255,255,.06);
        transition:right .35s;z-index:999;
    }
    .header__nav.open{right:0}
    .header__link{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.04);font-size:1rem}
    .header__cta{display:none}
    .header__burger{display:flex}
    .header__burger.active span:nth-child(1){transform:rotate(45deg) translate(5.5px,5.5px)}
    .header__burger.active span:nth-child(2){opacity:0}
    .header__burger.active span:nth-child(3){transform:rotate(-45deg) translate(5.5px,-5.5px)}

    .hero__inner{grid-template-columns:1fr;text-align:center}
    .hero__subtitle{margin:0 auto 36px}
    .hero__actions{justify-content:center}
    .hero__card-stack{height:280px;margin-top:20px}

    .stats__inner{grid-template-columns:repeat(2,1fr)}

    .how__steps{flex-direction:column;align-items:center}
    .how__connector{width:2px;height:40px;min-width:2px}
    .how__connector::before{width:2px;height:100%}
    .how__step{max-width:100%;width:100%}

    .benefits__grid{grid-template-columns:1fr}
    .sellers__grid{grid-template-columns:1fr}

    .ai-section__inner{grid-template-columns:1fr}
    .ai-section__content{order:1}
    .ai-section__visual{order:2}
    .section-title--left{text-align:center}

    .footer__links{grid-template-columns:1fr}
}

@media(max-width:480px){
    .hero__title{font-size:1.8rem}
    .stats__inner{grid-template-columns:1fr 1fr;gap:16px}
    .cta__inner{padding:48px 24px}
    .ai-visual{width:260px;height:260px}
}