/* ===== Full-page Slider (transform-based) ===== */

/* ===== Side Dot Navigation ===== */
.sol-dots{position:fixed;right:28px;top:50%;transform:translateY(-50%);z-index:100;display:flex;flex-direction:column;gap:14px}
.sol-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.35);border:1px solid rgba(255,255,255,.4);cursor:pointer;transition:all .3s ease;position:relative}
.sol-dot:hover{background:rgba(255,255,255,.6);transform:scale(1.3)}
.sol-dot.active{background:var(--blue-400);border-color:var(--blue-300);transform:scale(1.4);box-shadow:0 0 12px rgba(59,130,246,.6)}
.sol-dot.active::after{content:attr(data-label);position:absolute;right:22px;top:50%;transform:translateY(-50%);white-space:nowrap;font-size:.78rem;font-weight:600;color:var(--blue-600);background:var(--white);padding:4px 12px;border-radius:6px;box-shadow:var(--shadow-sm);opacity:0;transition:opacity .3s ease;pointer-events:none}
.sol-dot.active:hover::after{opacity:1}

/* ===== Slider Container ===== */
.sol-slider{height:100vh;overflow:hidden;position:relative;background:var(--blue-900)}
.sol-track{transition:transform .8s cubic-bezier(.65,0,.35,1);will-change:transform}

/* ===== Slides ===== */
.sol-slide{height:100vh;display:flex;align-items:center;position:relative;overflow:hidden}
.sol-slide-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.08);transition:transform 1.5s ease-out}
.sol-slide.active .sol-slide-bg{transform:scale(1)}
.sol-slide-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(10,36,99,.92) 0%,rgba(10,36,99,.82) 35%,rgba(18,70,184,.55) 70%,rgba(30,80,204,.35) 100%);z-index:1}
.sol-slide-intro .sol-slide-overlay{background:linear-gradient(135deg,rgba(10,36,99,.94) 0%,rgba(10,36,99,.85) 40%,rgba(18,70,184,.7) 100%)}
.sol-slide-content{position:relative;z-index:2;max-width:680px;padding:120px 0 80px}

/* ===== Slide Content Animation (staggered) ===== */
.sol-slide-content > *{opacity:0;transform:translateY(40px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.sol-slide.active .sol-slide-content > *{opacity:1;transform:translateY(0)}
.sol-slide.active .sol-slide-content > *:nth-child(1){transition-delay:.25s}
.sol-slide.active .sol-slide-content > *:nth-child(2){transition-delay:.35s}
.sol-slide.active .sol-slide-content > *:nth-child(3){transition-delay:.45s}
.sol-slide.active .sol-slide-content > *:nth-child(4){transition-delay:.55s}
.sol-slide.active .sol-slide-content > *:nth-child(5){transition-delay:.65s}
.sol-slide.active .sol-slide-content > *:nth-child(6){transition-delay:.75s}

/* Slide content elements */
.sol-hero-badge{display:inline-flex;align-items:center;gap:10px;padding:7px 18px;border-radius:100px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.8);font-size:.82rem;font-weight:500;margin-bottom:28px}
.sol-hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--blue-400);box-shadow:0 0 8px var(--blue-400)}
.sol-slide-cat{display:inline-block;font-size:.8rem;font-weight:600;color:var(--blue-300);letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;padding:6px 16px;border-radius:100px;background:rgba(59,130,246,.12);border:1px solid rgba(59,130,246,.25)}
.sol-slide-num{position:absolute;top:80px;right:0;font-size:8rem;font-weight:800;color:rgba(255,255,255,.06);letter-spacing:-.05em;line-height:1;pointer-events:none;z-index:1}
.sol-slide-title{font-size:3rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;color:#fff;margin-bottom:24px}
.sol-slide-title .hl{background:linear-gradient(135deg,var(--blue-300),var(--blue-200));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.sol-slide-desc{font-size:1.05rem;color:rgba(255,255,255,.65);line-height:1.75;margin-bottom:28px;max-width:560px}
.sol-slide-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.sol-slide-tags span{font-size:.8rem;padding:6px 14px;border-radius:6px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.75);font-weight:500}
.sol-slide-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.sol-slide-link{display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.sol-slide-link svg{width:18px;height:18px;transition:transform .25s ease}
.sol-slide-link:hover svg{transform:translateX(4px)}

/* Intro slide stats */
.sol-slide-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:560px}
.sol-stat{display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.sol-stat .num{font-size:2rem;font-weight:800;background:linear-gradient(135deg,#fff,var(--blue-300));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.02em}
.sol-stat .num span{font-size:1rem;font-weight:600}
.sol-stat .label{font-size:.78rem;color:rgba(255,255,255,.5)}

/* Scroll hint */
.sol-scroll-hint{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.45);font-size:.82rem;cursor:pointer;animation:solHint 2s ease-in-out infinite}
.sol-scroll-hint svg{width:22px;height:22px}
@keyframes solHint{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

/* ===== Core Advantages ===== */
.sol-adv{padding:96px 0;background:var(--white);position:relative;overflow:hidden;min-height:auto}
.sol-adv::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 800px 400px at 50% 0%,rgba(37,99,235,.06),transparent 60%);pointer-events:none}
.sol-adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.sol-adv-card{background:var(--white);border:1px solid var(--slate-200);border-radius:var(--radius-lg);padding:32px 28px;transition:all .4s var(--ease-out);box-shadow:var(--shadow-sm)}
.sol-adv-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--blue-200)}
.sol-adv-ico{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--blue-500),var(--blue-700));display:flex;align-items:center;justify-content:center;margin-bottom:20px;box-shadow:0 6px 16px rgba(37,99,235,.25)}
.sol-adv-ico svg{width:26px;height:26px;color:#fff}
.sol-adv-card h3{font-size:1.1rem;font-weight:700;color:var(--slate-900);margin-bottom:10px;letter-spacing:-.01em}
.sol-adv-card p{font-size:.88rem;color:var(--slate-500);line-height:1.65}

/* ===== Responsive ===== */
@media(max-width:968px){
  .sol-slide-content{max-width:580px;padding:100px 0 60px}
  .sol-slide-title{font-size:2.2rem}
  .sol-slide-desc{font-size:.95rem}
  .sol-slide-num{font-size:5rem;top:60px}
  .sol-slide-stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .sol-adv-grid{grid-template-columns:repeat(2,1fr)}
  .sol-dots{right:16px;gap:10px}
}
@media(max-width:640px){
  .sol-slider{height:auto;overflow:visible}
  .sol-track{transition:none;transform:none!important}
  .sol-slide{height:auto;min-height:100vh;padding:100px 0 80px}
  .sol-slide-content > *{opacity:1;transform:none}
  .sol-slide-content{max-width:100%;padding:80px 0 40px}
  .sol-slide-title{font-size:1.7rem}
  .sol-slide-desc{font-size:.9rem}
  .sol-slide-num{font-size:3.5rem;top:40px;right:-20px}
  .sol-slide-cta{flex-direction:column;gap:12px;width:100%}
  .sol-slide-cta .btn-primary,.sol-slide-cta .btn-outline{width:100%;justify-content:center}
  .sol-slide-stats{grid-template-columns:1fr 1fr;gap:12px}
  .sol-stat .num{font-size:1.5rem}
  .sol-adv-grid{grid-template-columns:1fr}
  .sol-dots{display:none}
  .sol-scroll-hint{display:none}
}