:root {
  --ds-primary: #0b1120;
  --ds-primary-soft: #1e293b;
  --ds-accent: #2563eb;
  --ds-accent-hover: #1d4ed8;
  --ds-accent-soft: #eff6ff;
  --ds-text: #0f172a;
  --ds-muted: #64748b;
  --ds-bg: #fff;
  --ds-bg-alt: #f8fafc;
  --ds-border: #e2e8f0;
  --ds-radius: 16px;
  --ds-shadow: 0 10px 30px -8px rgba(15,23,42,.1);
  --ds-shadow-lg: 0 20px 40px -12px rgba(15,23,42,.14);
  --ds-font: 'Inter', system-ui, sans-serif;
  --ds-display: 'Plus Jakarta Sans', var(--ds-font);
  --ds-t: all .35s cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.ds-body{font-family:var(--ds-font);color:var(--ds-text);line-height:1.65;-webkit-font-smoothing:antialiased;background:#fff;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:var(--ds-t)}
ul{list-style:none}
.ds-container{width:100%;max-width:1160px;margin:0 auto;padding:0 1.5rem}

/* Header */
.ds-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:var(--ds-t)}
.ds-header.scrolled{border-bottom-color:var(--ds-border);box-shadow:0 4px 20px rgba(15,23,42,.06)}
.ds-header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.ds-logo{font-family:var(--ds-display);font-size:1.45rem;font-weight:800;color:var(--ds-primary);letter-spacing:-.03em}
.ds-logo span{color:var(--ds-accent)}
.ds-nav{display:flex;align-items:center;gap:2rem}
.ds-nav a{font-size:.925rem;font-weight:500;color:var(--ds-muted);position:relative}
.ds-nav a:hover,.ds-nav a.is-active{color:var(--ds-primary)}
.ds-nav a.is-active::after,.ds-nav a:hover::after{content:'';position:absolute;bottom:-4px;left:0;width:100%;height:2px;background:var(--ds-accent)}
.ds-header-actions{display:flex;align-items:center;gap:1rem}
.ds-btn-sm{padding:.7rem 1.35rem;font-size:.875rem}
.ds-burger{display:none;background:0;border:0;cursor:pointer;padding:.4rem}
.ds-burger span{display:block;width:22px;height:2px;background:var(--ds-primary);margin:5px 0;transition:var(--ds-t)}
.ds-mobile{display:none;position:fixed;inset:76px 0 0 0;background:#fff;z-index:999;padding:1.5rem;flex-direction:column;gap:0}
.ds-mobile.open{display:flex}
.ds-mobile a{font-size:1.15rem;font-weight:600;color:var(--ds-primary);padding:1rem 0;border-bottom:1px solid var(--ds-border)}

/* Buttons */
.ds-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.95rem 1.85rem;font-family:var(--ds-font);font-weight:600;font-size:.9375rem;border-radius:9999px;border:none;cursor:pointer;line-height:1;transition:var(--ds-t)}
.ds-btn-primary{background:var(--ds-accent);color:#fff!important;box-shadow:0 4px 16px rgba(37,99,235,.35)}
.ds-btn-primary:hover{background:var(--ds-accent-hover);transform:translateY(-3px);box-shadow:0 8px 24px rgba(37,99,235,.4);color:#fff!important}
.ds-btn-outline{background:transparent;color:var(--ds-primary)!important;border:1.5px solid var(--ds-border)}
.ds-btn-outline:hover{border-color:var(--ds-primary);background:var(--ds-bg-alt);transform:translateY(-2px)}
.ds-btn-dark{background:var(--ds-primary);color:#fff!important}
.ds-btn-dark:hover{background:var(--ds-primary-soft);transform:translateY(-3px);color:#fff!important}
.ds-btn-lg{padding:1.15rem 2.35rem;font-size:1rem}

/* Hero */
.ds-hero{padding:9rem 0 6rem;background:radial-gradient(ellipse 80% 60% at 70% -10%,rgba(37,99,235,.09),transparent),linear-gradient(180deg,#f8fafc 0%,#fff 100%);text-align:center}
.ds-hero-content{max-width:720px;margin:0 auto}
.ds-badge{display:inline-flex;align-items:center;padding:.4rem 1.1rem;background:#fff;color:var(--ds-accent);font-size:.8125rem;font-weight:600;border-radius:9999px;margin-bottom:1.75rem;border:1px solid rgba(37,99,235,.15);box-shadow:0 2px 8px rgba(37,99,235,.08)}
.ds-hero h1{font-family:var(--ds-display);font-size:clamp(2.5rem,5.5vw,3.7rem);font-weight:800;line-height:1.15;letter-spacing:-.035em;margin:0 0 1.35rem;color:var(--ds-primary)}
.ds-hero h1 span{background:linear-gradient(135deg,#2563eb,#3b82f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.ds-lead{font-size:1.2rem;color:var(--ds-muted);margin:0 auto 2.5rem;max-width:540px;line-height:1.7}
.ds-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:3.5rem}
.ds-stats{display:flex;justify-content:center;gap:3.5rem;flex-wrap:wrap;padding-top:2.75rem;border-top:1px solid var(--ds-border)}
.ds-stats strong{display:block;font-family:var(--ds-display);font-size:1.85rem;font-weight:800;color:var(--ds-primary)}
.ds-stats span{font-size:.85rem;color:var(--ds-muted)}

/* Sections */
.ds-section{padding:6rem 0}
.ds-section-alt{background:var(--ds-bg-alt)}
.ds-section-head{text-align:center;max-width:580px;margin:0 auto 3.5rem}
.ds-label{display:inline-block;font-size:.78rem;font-weight:700;color:var(--ds-accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.75rem}
.ds-section-head h2{font-family:var(--ds-display);font-size:clamp(1.9rem,3.8vw,2.55rem);margin:0 0 .85rem;color:var(--ds-primary)}
.ds-section-head p{color:var(--ds-muted);margin:0;font-size:1.05rem}

.ds-grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}
.ds-grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.5rem}
.ds-card{background:#fff;border:1px solid var(--ds-border);border-radius:var(--ds-radius);padding:2rem;transition:var(--ds-t)}
.ds-card:hover{transform:translateY(-8px);box-shadow:var(--ds-shadow-lg);border-color:transparent}
.ds-card-lg{padding:2.25rem}
.ds-icon{width:52px;height:52px;background:var(--ds-accent-soft);color:var(--ds-accent);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.35rem;margin-bottom:1.35rem;transition:var(--ds-t)}
.ds-card:hover .ds-icon{background:var(--ds-accent);color:#fff;transform:scale(1.06)}
.ds-card h3{font-family:var(--ds-display);font-size:1.2rem;margin:0 0 .65rem;color:var(--ds-primary)}
.ds-card p{color:var(--ds-muted);font-size:.95rem;margin:0;line-height:1.65}

.ds-project-card{display:block;background:#fff;border-radius:var(--ds-radius);overflow:hidden;border:1px solid var(--ds-border);transition:var(--ds-t)}
.ds-project-card:hover{transform:translateY(-10px);box-shadow:var(--ds-shadow-lg);border-color:transparent}
.ds-project-img{aspect-ratio:16/10;background:linear-gradient(145deg,#e0e7ff,#f0f9ff);display:flex;align-items:center;justify-content:center;overflow:hidden}
.ds-project-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.22,1,.36,1)}
.ds-project-card:hover .ds-project-img img{transform:scale(1.06)}
.ds-project-img span{font-family:var(--ds-display);font-weight:700;font-size:1.1rem;color:#64748b;padding:1.25rem;text-align:center}
.ds-project-body{padding:1.4rem 1.6rem 1.6rem}
.ds-meta{font-size:.78rem;font-weight:700;color:var(--ds-accent);display:block;margin-bottom:.4rem}
.ds-project-body h3{font-family:var(--ds-display);font-size:1.15rem;margin:0 0 .45rem;color:var(--ds-primary)}
.ds-project-body p{font-size:.9rem;color:var(--ds-muted);margin:0;line-height:1.55}

.ds-process{display:grid;grid-template-columns:repeat(4,1fr);gap:1.75rem}
.ds-step{text-align:center}
.ds-num{width:56px;height:56px;background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--ds-display);font-weight:800;font-size:1.2rem;margin:0 auto 1.25rem;box-shadow:0 10px 24px rgba(37,99,235,.35);transition:var(--ds-t)}
.ds-step:hover .ds-num{transform:scale(1.1)}
.ds-step h4{font-family:var(--ds-display);font-size:1.1rem;margin:0 0 .5rem;color:var(--ds-primary)}
.ds-step p{font-size:.9rem;color:var(--ds-muted);margin:0}

.ds-cta{background:linear-gradient(145deg,#0b1120,#1e293b);color:#fff;text-align:center;padding:4.5rem 2.5rem;border-radius:24px}
.ds-cta h2{color:#fff;font-family:var(--ds-display);font-size:clamp(1.8rem,3.5vw,2.4rem);margin:0 0 .85rem}
.ds-cta p{color:#94a3b8;margin:0 0 2rem;font-size:1.1rem}

.ds-page-hero{padding:7.5rem 0 3.5rem;background:radial-gradient(ellipse 70% 50% at 50% 0%,rgba(37,99,235,.06),transparent),var(--ds-bg-alt);text-align:center}
.ds-page-hero h1{font-family:var(--ds-display);font-size:clamp(2.1rem,4.2vw,2.9rem);margin:0 0 .6rem;color:var(--ds-primary)}
.ds-page-hero p{color:var(--ds-muted);margin:0;font-size:1.1rem}

.ds-contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:3.5rem;align-items:start}
.ds-contact-info{background:var(--ds-bg-alt);border-radius:var(--ds-radius);padding:2.25rem;border:1px solid #f1f5f9}
.ds-contact-info h3{font-family:var(--ds-display);margin:0 0 1.5rem;font-size:1.2rem}
.ds-contact-info p{margin:0 0 1.35rem;font-size:.975rem}
.ds-contact-info strong{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ds-muted);margin-bottom:.25rem}
.ds-contact-info a{color:var(--ds-accent);font-weight:500}

.ds-form .ds-field{margin-bottom:1.25rem}
.ds-form label{display:block;font-size:.875rem;font-weight:600;margin-bottom:.45rem;color:var(--ds-primary)}
.ds-form input,.ds-form textarea{width:100%;padding:.9rem 1.1rem;border:1.5px solid var(--ds-border);border-radius:10px;font-family:inherit;font-size:.975rem;background:#fff;transition:var(--ds-t)}
.ds-form input:focus,.ds-form textarea:focus{outline:none;border-color:var(--ds-accent);box-shadow:0 0 0 4px rgba(37,99,235,.15)}
.ds-form textarea{min-height:130px;resize:vertical}
.ds-alert{padding:1rem 1.35rem;border-radius:10px;margin-bottom:1.35rem;font-weight:600;font-size:.95rem}
.ds-alert-success{background:#ecfdf5;color:#059669;border:1px solid #a7f3d0}
.ds-alert-error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}
.ds-list{padding-left:1.35rem;margin:0}
.ds-list li{margin-bottom:.7rem;color:var(--ds-muted);list-style:disc}
.ds-center{text-align:center}
.ds-legal h3{font-family:var(--ds-display);margin:1.75rem 0 .75rem;color:var(--ds-primary)}
.ds-legal p{color:var(--ds-muted);margin-bottom:1rem;line-height:1.7}
.ds-payment-box{max-width:460px;margin:0 auto;background:#fff;border:1px solid var(--ds-border);border-radius:var(--ds-radius);padding:2.25rem;box-shadow:var(--ds-shadow)}

/* Footer */
.ds-footer{background:var(--ds-primary);color:#94a3b8;padding:4.5rem 0 2rem}
.ds-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:3rem}
.ds-footer .ds-logo{color:#fff;display:inline-block;margin-bottom:1rem}
.ds-footer-brand p{font-size:.95rem;max-width:280px;line-height:1.65}
.ds-footer h4{color:#fff;font-size:.9rem;font-weight:600;margin-bottom:1.15rem}
.ds-footer ul li{margin-bottom:.7rem}
.ds-footer ul a{font-size:.925rem;color:#94a3b8}
.ds-footer ul a:hover{color:#fff}
.ds-footer-bottom{border-top:1px solid #1e293b;padding-top:1.75rem;display:flex;justify-content:space-between;align-items:center;font-size:.875rem}
.ds-footer-bottom a{color:#94a3b8}
.ds-footer-bottom a:hover{color:#fff}

/* Animations */
.ds-anim{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.ds-anim.visible{opacity:1;transform:translateY(0)}

@media(max-width:960px){
  .ds-nav{display:none}
  .ds-burger{display:block}
  .ds-header-actions .ds-btn{display:none}
  .ds-process{grid-template-columns:repeat(2,1fr);gap:2rem}
  .ds-contact-grid{grid-template-columns:1fr;gap:2.5rem}
  .ds-footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
}
@media(max-width:640px){
  .ds-hero{padding:7rem 0 4rem}
  .ds-hero h1{font-size:2.3rem}
  .ds-stats{gap:1.75rem}
  .ds-process{grid-template-columns:1fr}
  .ds-section{padding:4rem 0}
  .ds-page-hero{padding:6rem 0 2.75rem}
  .ds-cta{padding:3.25rem 1.5rem;border-radius:16px}
  .ds-actions{flex-direction:column;align-items:center}
  .ds-btn{width:100%;max-width:280px}
  .ds-footer-grid{grid-template-columns:1fr}
  .ds-footer-bottom{flex-direction:column;gap:1rem;text-align:center}
}