/* ============ RESET & BASE ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);color:var(--dark);line-height:1.65;background:#fff;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ TYPOGRAPHY ============ */
h1,h2,h3,h4{font-weight:700;line-height:1.2;letter-spacing:-.02em;color:var(--dark)}
h1{font-size:clamp(2rem,5vw,4rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.75rem)}
h3{font-size:1.35rem}
p{color:#475569}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:14px 28px;border-radius:12px;font-weight:600;font-size:.95rem;transition:.25s;text-align:center}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 10px 30px -10px var(--primary)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 40px -12px var(--primary)}
.btn-outline{border:2px solid var(--dark);color:var(--dark)}
.btn-outline:hover{background:var(--dark);color:#fff}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--primary);font-size:.95rem}
.btn-text i{transition:.2s}
.btn-text:hover i{transform:translateX(4px)}

/* ============ HEADER / NAV ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(16px);border-bottom:1px solid rgba(15,23,42,.06);transition:.3s}
.site-header.scrolled{box-shadow:0 8px 30px -12px rgba(15,23,42,.15)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;letter-spacing:-.02em}
.brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:grid;place-items:center;color:#fff;font-size:1rem}
.brand-logo{height:36px;width:auto}
.brand-name{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav a{font-weight:500;color:#334155;font-size:.95rem;transition:.2s;position:relative}
.main-nav a:not(.nav-cta):hover,.main-nav a.active{color:var(--primary)}
.main-nav a:not(.nav-cta)::after{content:'';position:absolute;bottom:-6px;left:0;width:0;height:2px;background:var(--primary);transition:.3s}
.main-nav a:not(.nav-cta):hover::after,.main-nav a.active::after{width:100%}
.nav-cta{padding:11px 22px !important;color:#fff !important;border-radius:10px;font-size:.9rem !important}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--dark);transition:.3s;border-radius:2px}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ HERO ============ */
.hero{position:relative;padding:100px 0 120px;background:radial-gradient(1200px 600px at 70% -10%,rgba(99,102,241,.10),transparent 60%),radial-gradient(900px 500px at 10% 110%,rgba(14,165,233,.10),transparent 60%);overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(99,102,241,.15) 1px,transparent 1px);background-size:28px 28px;mask-image:radial-gradient(circle at center,#000 30%,transparent 75%);opacity:.5;pointer-events:none}
.hero-inner{position:relative;max-width:900px;margin:0 auto;text-align:center;z-index:2}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;background:rgba(99,102,241,.1);color:var(--primary);border-radius:99px;font-size:.85rem;font-weight:600;margin-bottom:24px}
.hero h1{margin-bottom:24px}
.hero h1 .gradient{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:1.15rem;max-width:680px;margin:0 auto 36px;color:#475569}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ SECTIONS ============ */
section.section{padding:100px 0}
.section-header{max-width:700px;margin:0 auto 60px;text-align:center}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.15em;color:var(--primary);margin-bottom:14px}
.section-header p{font-size:1.05rem;margin-top:16px}

/* ============ GRIDS ============ */
.grid{display:grid;gap:28px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ============ SOLUTION CARDS ============ */
.solution-card{background:#fff;border:1px solid #E2E8F0;border-radius:20px;padding:34px 30px;transition:.35s;display:flex;flex-direction:column;position:relative;overflow:hidden}
.solution-card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--secondary));transform:scaleX(0);transform-origin:left;transition:.4s}
.solution-card:hover{transform:translateY(-6px);box-shadow:0 25px 50px -12px rgba(15,23,42,.15);border-color:transparent}
.solution-card:hover::after{transform:scaleX(1)}
.solution-card-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,rgba(99,102,241,.12),rgba(14,165,233,.12));display:grid;place-items:center;font-size:1.5rem;color:var(--primary);margin-bottom:22px}
.solution-card h3{margin-bottom:6px}
.solution-tagline{font-size:.85rem;font-weight:600;color:var(--secondary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.solution-desc{flex:1;color:#64748B;font-size:.95rem;margin-bottom:20px}

/* ============ SERVICE CARDS ============ */
.service-card{background:linear-gradient(180deg,#fff,#F8FAFC);border:1px solid #E2E8F0;border-radius:20px;padding:36px 30px;transition:.35s}
.service-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:0 20px 40px -12px rgba(99,102,241,.15)}
.service-icon{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:grid;place-items:center;font-size:1.5rem;color:#fff;margin-bottom:22px;box-shadow:0 10px 25px -8px var(--primary)}
.service-card h3{margin-bottom:12px;font-size:1.25rem}

/* ============ TESTIMONIALS ============ */
.testimonial-card{background:#fff;border:1px solid #E2E8F0;border-radius:20px;padding:32px}
.stars{color:#F59E0B;margin-bottom:16px;display:flex;gap:3px}
.testimonial-card blockquote{font-size:1.05rem;color:#334155;line-height:1.7;margin-bottom:24px;font-style:normal}
.testimonial-author{display:flex;align-items:center;gap:14px}
.avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:grid;place-items:center;color:#fff;font-weight:700;font-size:1.1rem}
.testimonial-author strong{display:block;font-size:.95rem;color:var(--dark)}
.testimonial-author span{font-size:.85rem;color:#64748B}

/* ============ CTA BANNER ============ */
.cta-banner{background:linear-gradient(135deg,var(--dark) 0%,#1E293B 60%,var(--primary) 140%);color:#fff;border-radius:28px;padding:70px 50px;position:relative;overflow:hidden;text-align:center}
.cta-banner::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:24px 24px;pointer-events:none}
.cta-banner h2{color:#fff;margin-bottom:16px;position:relative}
.cta-banner p{color:rgba(255,255,255,.75);max-width:600px;margin:0 auto 32px;position:relative;font-size:1.05rem}
.cta-banner .btn-primary{position:relative;background:#fff;color:var(--dark);box-shadow:0 20px 40px -12px rgba(0,0,0,.3)}
.cta-banner .btn-primary:hover{background:var(--accent);color:var(--dark)}

/* ============ FOOTER ============ */
.site-footer{background:var(--dark);color:#94A3B8;padding:80px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;padding-bottom:60px}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:20px;font-weight:600}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.site-footer a{color:#94A3B8;font-size:.92rem;transition:.2s}
.site-footer a:hover{color:var(--secondary)}
.brand-footer{color:#fff;margin-bottom:18px}
.brand-footer .brand-name{color:#fff;-webkit-text-fill-color:#fff}
.footer-desc{font-size:.92rem;line-height:1.7;max-width:320px}
.contact-list li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem}
.contact-list i{color:var(--secondary);margin-top:5px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#fff;transition:.25s}
.socials a:hover{background:var(--primary);transform:translateY(-2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;font-size:.85rem;color:#64748B}

/* ============ PAGE HEADER ============ */
.page-hero{padding:80px 0 60px;text-align:center;background:radial-gradient(800px 400px at 50% 0%,rgba(99,102,241,.1),transparent);border-bottom:1px solid #E2E8F0}
.page-hero h1{margin-bottom:16px}
.page-hero p{font-size:1.1rem;max-width:600px;margin:0 auto;color:#64748B}

/* ============ FORMS ============ */
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.9rem;font-weight:600;margin-bottom:8px;color:var(--dark)}
.form-control{width:100%;padding:13px 16px;border:1.5px solid #E2E8F0;border-radius:10px;font-size:.95rem;font-family:inherit;transition:.2s;background:#fff;color:var(--dark)}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(99,102,241,.12)}
textarea.form-control{resize:vertical;min-height:130px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.alert{padding:14px 20px;border-radius:10px;margin-bottom:20px;font-size:.92rem;font-weight:500}
.alert-success{background:#D1FAE5;color:#065F46;border:1px solid #6EE7B7}
.alert-error{background:#FEE2E2;color:#991B1B;border:1px solid #FCA5A5}

/* ============ CONTACT ============ */
.contact-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:start}
.contact-info-item{display:flex;gap:16px;margin-bottom:28px}
.contact-info-item .icon{width:50px;height:50px;flex-shrink:0;border-radius:12px;background:linear-gradient(135deg,rgba(99,102,241,.12),rgba(14,165,233,.12));display:grid;place-items:center;color:var(--primary);font-size:1.15rem}
.contact-info-item strong{display:block;margin-bottom:4px;font-size:.95rem}
.contact-info-item span{font-size:.92rem;color:#64748B}

/* ============ SOLUTION DETAIL ============ */
.solution-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;padding:80px 0}
.solution-hero h1{font-size:clamp(2rem,4vw,3.25rem);margin-bottom:16px}
.solution-hero .lead{font-size:1.15rem;color:#475569;margin-bottom:28px}
.feature-list{list-style:none;display:grid;gap:14px;margin:28px 0}
.feature-list li{display:flex;gap:12px;align-items:flex-start;font-size:1rem}
.feature-list i{color:var(--secondary);margin-top:5px}
.solution-visual{aspect-ratio:1;border-radius:28px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:grid;place-items:center;color:#fff;font-size:6rem;box-shadow:0 40px 80px -30px var(--primary);position:relative;overflow:hidden}
.solution-visual::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.15) 1px,transparent 1px);background-size:22px 22px}

/* ============ RESPONSIVE ============ */
@media(max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .solution-hero{grid-template-columns:1fr;gap:40px}
  .contact-wrap{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:24px;gap:0;border-bottom:1px solid #E2E8F0;box-shadow:0 20px 40px -20px rgba(0,0,0,.15);transform:translateY(-120%);transition:.35s;max-height:calc(100vh - 72px);overflow-y:auto}
  .main-nav.open{transform:translateY(0)}
  .main-nav a{padding:14px 0;border-bottom:1px solid #F1F5F9}
  .main-nav a::after{display:none}
  .nav-cta{margin-top:12px;text-align:center;justify-content:center}
  .hero{padding:60px 0 80px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  section.section{padding:70px 0}
  .cta-banner{padding:50px 24px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .form-row{grid-template-columns:1fr}
  .section-header{margin-bottom:40px}
}
/* ============ GALLERY PAGE ============ */
.gallery-filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px}
.gallery-filter{padding:9px 20px;border-radius:99px;background:#F1F5F9;color:#475569;font-size:.88rem;font-weight:500;transition:.2s;border:1.5px solid transparent}
.gallery-filter:hover{background:#E2E8F0;color:var(--dark)}
.gallery-filter.active{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 8px 20px -8px var(--primary)}

.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gallery-item{position:relative;margin:0;border-radius:16px;overflow:hidden;cursor:pointer;background:#F1F5F9;aspect-ratio:4/3}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gallery-item::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(15,23,42,.75) 0%,transparent 55%);opacity:0;transition:.3s;pointer-events:none}
.gallery-item:hover img{transform:scale(1.06)}
.gallery-item:hover::after{opacity:1}
.gallery-item figcaption{position:absolute;bottom:0;left:0;right:0;padding:18px;color:#fff;transform:translateY(10px);opacity:0;transition:.35s;z-index:2;pointer-events:none}
.gallery-item:hover figcaption{transform:translateY(0);opacity:1}
.gallery-item figcaption strong{display:block;font-size:1rem;margin-bottom:2px}
.gallery-item figcaption span{font-size:.85rem;color:rgba(255,255,255,.85);line-height:1.4}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(15,23,42,.95);backdrop-filter:blur(8px);z-index:200;display:none;align-items:center;justify-content:center;padding:40px;opacity:0;transition:opacity .25s}
.lightbox.open{display:flex;opacity:1}
.lightbox-img{max-width:90vw;max-height:85vh;border-radius:12px;box-shadow:0 40px 80px -20px rgba(0,0,0,.6);object-fit:contain;animation:lb-zoom .3s ease}
@keyframes lb-zoom{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.lightbox-close,.lightbox-prev,.lightbox-next{position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);color:#fff;font-size:1.4rem;width:48px;height:48px;border-radius:50%;cursor:pointer;transition:.2s;display:grid;place-items:center;font-family:inherit;line-height:1}
.lightbox-close:hover,.lightbox-prev:hover,.lightbox-next:hover{background:var(--primary);border-color:var(--primary)}
.lightbox-close{top:24px;right:24px}
.lightbox-prev{left:24px;top:50%;transform:translateY(-50%)}
.lightbox-next{right:24px;top:50%;transform:translateY(-50%)}

@media(max-width:992px){ .gallery-grid{grid-template-columns:repeat(2,1fr)} }
@media(max-width:640px){
  .gallery-grid{grid-template-columns:1fr;gap:14px}
  .gallery-item figcaption{opacity:1;transform:none;background:linear-gradient(to top,rgba(15,23,42,.85),transparent)}
  .lightbox{padding:16px}
  .lightbox-close,.lightbox-prev,.lightbox-next{width:40px;height:40px;font-size:1.1rem}
  .lightbox-prev{left:8px}
  .lightbox-next{right:8px}
  .lightbox-close{top:8px;right:8px}
}