:root{
    --bg:#f6f8fb;
    --surface:#ffffff;
    --surface-alt:#eef3fb;
    --accent:#1f7ae0;
    --accent-dark:#155fb1;
    --text:#142033;
    --muted:#5c6b80;
    --gradient:linear-gradient(135deg,#d9e9ff 0%,#eaf6ff 50%,#ffffff 100%);
    --shadow:0 20px 60px rgba(31,122,224,0.08);
    --radius:18px;
    font-size:16px;
}
*{box-sizing:border-box;}
body{
    margin:0;
    font-family:"Inter","Segoe UI",sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.6;
}
a{color:var(--accent);text-decoration:none;}
img{max-width:100%;display:block;border-radius:var(--radius);}
.policy-visual,
.thanks-visual{
    max-width:220px;
    margin:0 auto 1.5rem;
    display:block;
    border-radius:var(--radius);
    box-shadow:var(--shadow);
}

.site-header{
    position:sticky;
    top:0;
    z-index:1000;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:1rem clamp(1rem,5vw,4rem);
    background:rgba(255,255,255,0.92);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(20,32,51,0.08);
    box-shadow:0 10px 30px rgba(15,52,96,0.06);
}
.brand{display:flex;align-items:center;gap:1rem;}
.logo-btn{
    font-weight:700;
    letter-spacing:0.04em;
    padding:0.5rem 1rem;
    border:1px solid rgba(20,32,51,0.15);
    border-radius:999px;
    color:var(--text);
}
.site-nav{
    display:flex;
    gap:1rem;
    flex-wrap:wrap;
}
.site-nav a{
    font-size:0.9rem;
    padding:0.4rem 0.6rem;
    border-radius:999px;
}
.site-nav a:hover{background:rgba(31,122,224,0.1);}
.header-cta{display:flex;align-items:center;gap:0.8rem;}
.btn{
    border:none;
    border-radius:999px;
    padding:0.8rem 1.4rem;
    font-weight:600;
    cursor:pointer;
    transition:transform .2s ease,background .2s ease;
}
.btn.primary{
    background:var(--accent);
    color:#fff;
    box-shadow:0 12px 30px rgba(31,122,224,0.25);
}
.btn.primary:hover{transform:translateY(-2px);background:var(--accent-dark);}
.btn.secondary{
    background:transparent;
    border:1px solid rgba(20,32,51,0.15);
    color:var(--text);
}
.btn.ghost{
    background:transparent;
    border:1px solid rgba(20,32,51,0.15);
    color:var(--text);
}
.btn.secondary:hover,
.btn.ghost:hover{
    border-color:var(--accent);
    color:var(--accent);
}
.phone-link{color:var(--muted);font-size:0.9rem;}

.burger{
    display:none;
    flex-direction:column;
    gap:0.3rem;
    background:none;
    border:none;
    cursor:pointer;
}
.burger span{
    width:24px;
    height:2px;
    background:var(--text);
    transition:all 0.3s ease;
}

.hero{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:2rem;
    padding:4rem clamp(1rem,6vw,5rem);
    background:var(--gradient);
}
.hero-content{display:flex;flex-direction:column;gap:1rem;}
.eyebrow{
    font-size:0.85rem;
    color:var(--muted);
    letter-spacing:0.1em;
    text-transform:uppercase;
}
.hero h1{font-size:clamp(2.2rem,5vw,3.8rem);margin:0;}
.hero-slider{
    background:#ffffff;
    border-radius:var(--radius);
    padding:1.5rem;
    min-height:200px;
    box-shadow:var(--shadow);
}
.hero-slide{display:none;}
.hero-slide.active{display:block;}
.source-tag{
    font-size:0.8rem;
    color:var(--muted);
}
.slider-controls{
    display:flex;
    gap:0.5rem;
}
.slider-dot{
    width:12px;
    height:12px;
    border-radius:50%;
    border:1px solid rgba(20,32,51,0.3);
    background:#fff;
    cursor:pointer;
}
.slider-dot.active{background:var(--accent);border-color:var(--accent);}
.hero-media{
    display:flex;
    flex-direction:column;
    gap:1rem;
}
.hero-metrics{
    background:#ffffff;
    border-radius:var(--radius);
    padding:1.2rem;
    font-size:0.95rem;
    box-shadow:var(--shadow);
}

.section{
    padding:4rem clamp(1rem,6vw,5rem);
    background:var(--surface);
    border-bottom:1px solid rgba(20,32,51,0.05);
}
.section:nth-of-type(even){background:var(--surface-alt);}
.section-heading{
    max-width:720px;
    margin-bottom:2.5rem;
}
.section-heading h2{margin:0 0 0.5rem;font-size:2rem;}

.card-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:1.5rem;
}
.card{
    background:#ffffff;
    border:1px solid rgba(20,32,51,0.08);
    border-radius:var(--radius);
    padding:1.5rem;
    box-shadow:var(--shadow);
}
.card h3{margin-top:0;}
.card ul{padding-left:1.1rem;color:var(--muted);}

.metrics-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:1rem;
}
.metrics-grid article{
    background:#ffffff;
    padding:1.5rem;
    border-radius:var(--radius);
    text-align:left;
    box-shadow:var(--shadow);
}
.metrics-grid strong{
    font-size:2rem;
    display:block;
}

.timeline{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:1rem;
    margin-bottom:2rem;
}
.timeline article{
    padding:1.5rem;
    border-radius:var(--radius);
    border:1px solid rgba(20,32,51,0.08);
    background:#fff;
    box-shadow:var(--shadow);
}

.accordion{
    display:flex;
    flex-direction:column;
    gap:0.8rem;
}
.accordion-trigger{
    width:100%;
    text-align:left;
    padding:1rem 1.2rem;
    border-radius:var(--radius);
    border:1px solid rgba(20,32,51,0.15);
    background:#fff;
    color:var(--text);
    cursor:pointer;
    font-size:1rem;
    box-shadow:var(--shadow);
}
.accordion-panel{
    display:none;
    padding:0 1.2rem 1rem;
    color:var(--muted);
    background:#fff;
    border-radius:0 0 var(--radius) var(--radius);
}
.accordion-trigger[aria-expanded="true"] + .accordion-panel{display:block;}

.design-grid,
.stack-grid,
.insight-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:1.2rem;
}
.design-grid article,
.stack-grid article,
.insight-grid article{
    background:#ffffff;
    border-radius:var(--radius);
    padding:1.2rem;
    box-shadow:var(--shadow);
}

.qa-content{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:1.5rem;
    align-items:start;
}
.qa-content ul{
    margin:0;
    padding-left:1.1rem;
}
.qa-cta{
    background:#ffffff;
    border-radius:var(--radius);
    padding:1.5rem;
    box-shadow:var(--shadow);
}

.contact-wrapper{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:2rem;
}
.contact-form{
    display:flex;
    flex-direction:column;
    gap:0.9rem;
    background:#ffffff;
    padding:1.5rem;
    border-radius:var(--radius);
    box-shadow:var(--shadow);
}
.contact-form input,
.contact-form textarea{
    width:100%;
    padding:0.8rem;
    border-radius:12px;
    border:1px solid rgba(20,32,51,0.15);
    background:#f8fbff;
    color:var(--text);
}

.site-footer{
    background:#f0f4fa;
    padding:3rem clamp(1rem,6vw,5rem);
}
.footer-top{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:2rem;
    margin-bottom:2rem;
}
.footer-top ul{
    list-style:none;
    padding:0;
    margin:0;
}
.footer-top li+li{margin-top:0.5rem;}
.footer-bottom{
    border-top:1px solid rgba(20,32,51,0.1);
    padding-top:1rem;
    font-size:0.9rem;
    color:var(--muted);
}

.cookie-banner{
    position:fixed;
    bottom:1rem;
    right:1rem;
    background:#ffffff;
    border:1px solid rgba(20,32,51,0.08);
    padding:1.2rem;
    border-radius:var(--radius);
    display:flex;
    gap:1rem;
    align-items:center;
    max-width:380px;
    box-shadow:var(--shadow);
}
.cookie-banner p{margin:0;font-size:0.9rem;color:var(--text);}

@media (max-width:960px){
    .site-nav{
        position:fixed;
        top:70px;
        left:0;
        right:0;
        background:#ffffff;
        flex-direction:column;
        padding:0 clamp(1rem,6vw,4rem);
        max-height:0;
        overflow:hidden;
        transition:max-height .3s ease, padding .3s ease;
        box-shadow:0 12px 30px rgba(20,32,51,0.08);
        border-bottom:1px solid rgba(20,32,51,0.08);
        pointer-events:none;
    }
    .site-nav.open{
        max-height:60vh;
        padding:1rem clamp(1rem,6vw,4rem);
        pointer-events:auto;
    }
    .burger{display:flex;}
}
@media (max-width:600px){
    body{font-size:0.95rem;}
    .hero{padding-top:6rem;}
    .header-cta{display:none;}
    .cookie-banner{
        flex-direction:column;
        left:1rem;
        right:1rem;
    }
}