/* ══════════════════════════════════════════════════════════════
   SD SHARP — index (blue palette)
   ══════════════════════════════════════════════════════════════ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --indigo:#1e6cc2;
  --pink:#38bdf8;
  --bg:#0a0f1a;
  --glass-bg:rgba(255,255,255,0.05);
  --glass-border:rgba(255,255,255,0.1);
  --blur:blur(20px);
  --card-bg:rgba(11,13,23,0.85);
}

html{scroll-behavior:smooth}

body{
  font-family:'Lato','Roboto',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:#e2e8f0;
  line-height:1.6;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ── gradient mesh bg ── */
.mesh{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.mesh span{position:absolute;border-radius:50%;filter:blur(120px);opacity:.45}
.mesh .m1{width:600px;height:600px;background:#1e3a5f;top:-10%;left:-5%;animation:drift1 18s ease-in-out infinite alternate}
.mesh .m2{width:500px;height:500px;background:#0e4d92;bottom:-10%;right:-5%;animation:drift2 20s ease-in-out infinite alternate}
.mesh .m3{width:450px;height:450px;background:#1a5276;top:40%;left:50%;animation:drift3 22s ease-in-out infinite alternate}
.mesh .m4{width:400px;height:400px;background:#2980b9;bottom:20%;left:10%;animation:drift4 16s ease-in-out infinite alternate}

@keyframes drift1{to{transform:translate(80px,60px) scale(1.15)}}
@keyframes drift2{to{transform:translate(-70px,-50px) scale(1.1)}}
@keyframes drift3{to{transform:translate(-60px,40px) scale(0.9)}}
@keyframes drift4{to{transform:translate(50px,-70px) scale(1.2)}}

/* ── utility ── */
.container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
section{padding:100px 0}

.section-title{
  font-family:'Roboto','Lato',sans-serif;
  font-size:2.2rem;
  font-weight:700;
  text-align:center;
  margin-bottom:16px;
  background:linear-gradient(135deg,var(--indigo),var(--pink));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.section-subtitle{
  text-align:center;
  color:rgba(255,255,255,0.6);
  max-width:700px;
  margin:0 auto 56px;
  font-size:1.05rem;
  line-height:1.7;
}

/* ── glass ── */
.glass{
  background:var(--glass-bg);
  backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border:1px solid var(--glass-border);
  border-radius:16px;
}

/* ── nav ── */
nav{position:sticky;top:0;z-index:100;padding:0 24px}
nav .inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px}

.logo{
  font-family:'Orbitron',sans-serif;
  font-size:1.25rem;
  font-weight:800;
  letter-spacing:3px;
  color:#fff;
}

.nav-links{display:flex;gap:28px}
.nav-links a{font-size:.9rem;color:rgba(255,255,255,.7);transition:color .25s}
.nav-links a:hover{color:#fff}

.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}

.mobile-menu{
  display:none;
  position:absolute;
  top:64px;left:0;right:0;
  padding:16px 24px;
  flex-direction:column;
  gap:16px;
  background:rgba(11,13,23,.95);
  backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border-bottom:1px solid var(--glass-border);
}
.mobile-menu.open{display:flex}
.mobile-menu a{font-size:1rem;color:rgba(255,255,255,.8)}

/* ── hero ── */
.hero{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;text-align:center;padding:60px 0}

.hero h1{
  font-family:'Roboto','Lato',sans-serif;
  font-size:clamp(2.4rem,5vw,4rem);
  font-weight:800;
  line-height:1.15;
  margin-bottom:20px;
  color:#fff;
}

.hero p{font-size:clamp(1rem,2vw,1.15rem);max-width:700px;margin:0 auto 36px;color:rgba(255,255,255,.65);line-height:1.7}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}

.btn-glow{
  display:inline-block;
  padding:14px 36px;
  border-radius:999px;
  font-weight:600;
  font-size:1rem;
  color:#fff;
  background:linear-gradient(135deg,var(--indigo),var(--pink));
  box-shadow:0 0 32px rgba(30,108,194,.45),0 0 64px rgba(56,189,248,.25);
  transition:transform .25s,box-shadow .25s;
  border:none;
  cursor:pointer;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 48px rgba(99,102,241,.6),0 0 80px rgba(236,72,153,.35)}

.btn-outline{
  display:inline-block;
  padding:14px 36px;
  border-radius:999px;
  font-weight:600;
  font-size:1rem;
  color:rgba(255,255,255,.85);
  background:var(--glass-bg);
  backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border:1px solid var(--glass-border);
  transition:transform .25s,border-color .25s,color .25s;
  cursor:pointer;
}
.btn-outline:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.3);color:#fff}

.trust-badges{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.trust-pill{
  padding:12px 24px;
  border-radius:999px;
  background:var(--glass-bg);
  backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border:1px solid var(--glass-border);
  font-size:.9rem;
  font-weight:600;
  color:rgba(255,255,255,.8);
  white-space:nowrap;
}

/* ── trusted by marquee ── */
.trusted-section{padding:60px 0;overflow:hidden;position:relative;z-index:1}
.trusted-title{text-align:center;font-size:.85rem;text-transform:uppercase;letter-spacing:3px;color:rgba(255,255,255,.4);margin-bottom:32px;font-weight:600}
.marquee-track{display:flex;width:max-content;animation:marquee 30s linear infinite}
.marquee-track:hover{animation-play-state:paused}
.marquee-item{padding:0 48px;font-size:1.15rem;font-weight:700;color:rgba(255,255,255,.35);white-space:nowrap;letter-spacing:1px}
.marquee-item:nth-child(even){color:rgba(255,255,255,.2)}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ── marquee overflow wrapper ── */
.marquee-wrapper{overflow:hidden}

/* ── animated-border card wrapper ── */
.glow-card{position:relative;border-radius:18px;padding:2px}
.glow-card::before{
  content:'';
  position:absolute;
  inset:-2px;
  border-radius:inherit;
  background:conic-gradient(from var(--angle,0deg),var(--indigo),var(--pink),#2563eb,var(--indigo));
  animation:spin-border 4s linear infinite;
  z-index:-1;
  opacity:.5;
  transition:opacity .4s;
}
.glow-card:hover::before{opacity:1}

@property --angle{syntax:'<angle>';initial-value:0deg;inherits:false}
@keyframes spin-border{to{--angle:360deg}}

.glow-card .card-inner{
  background:var(--card-bg);
  backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border-radius:16px;
  padding:36px 28px;
  height:100%;
  border:1px solid var(--glass-border);
  transition:transform .35s,box-shadow .35s;
}
.glow-card:hover .card-inner{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.4)}

/* ── services grid ── */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-icon{font-size:2rem;margin-bottom:16px;display:inline-block;background:linear-gradient(135deg,var(--indigo),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.card-inner h3{font-family:'Roboto','Lato',sans-serif;font-size:1.15rem;font-weight:700;color:#fff;margin-bottom:10px}
.card-inner p{font-size:.9rem;color:rgba(255,255,255,.6);line-height:1.65}
.card-inner ul{margin-top:14px;padding-left:0}
.card-inner ul li{font-size:.85rem;color:rgba(255,255,255,.55);padding:4px 0;padding-left:16px;position:relative}
.card-inner ul li::before{content:'';position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,var(--indigo),var(--pink))}

/* ── tech stack ── */
.tech-category{margin-bottom:36px}
.tech-category:last-child{margin-bottom:0}
.tech-category-title{font-size:.8rem;text-transform:uppercase;letter-spacing:2px;color:rgba(255,255,255,.4);margin-bottom:14px;font-weight:600;text-align:center}
.tech-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}

.tech-pill{position:relative;border-radius:999px;padding:2px;cursor:default;transition:transform .3s}
.tech-pill::before{content:'';position:absolute;inset:-2px;border-radius:inherit;background:conic-gradient(from var(--angle,0deg),var(--indigo),var(--pink),#2563eb,var(--indigo));opacity:0;transition:opacity .35s;animation:spin-border 3s linear infinite;z-index:-1}
.tech-pill:hover::before{opacity:1}
.tech-pill:hover{transform:scale(1.08)}
.tech-pill .pill-inner{display:block;padding:8px 22px;border-radius:999px;background:rgba(11,13,23,.9);border:1px solid var(--glass-border);font-size:.85rem;font-weight:500;color:rgba(255,255,255,.8);transition:color .3s}
.tech-pill:hover .pill-inner{color:#fff}

/* ── tech stack panel ── */
.tech-panel{padding:40px 32px;border-radius:20px}

/* ── industries grid ── */
.industries-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.industry-card{padding:28px 24px;text-align:center;transition:transform .35s,box-shadow .35s}
.industry-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.3)}
.industry-icon{font-size:2rem;margin-bottom:14px;display:block}
.industry-card h3{font-family:'Roboto','Lato',sans-serif;font-size:1.05rem;font-weight:700;color:#fff;margin-bottom:8px}
.industry-card p{font-size:.85rem;color:rgba(255,255,255,.55);line-height:1.6}

/* ── ai capabilities ── */
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{padding:32px 24px;text-align:center;transition:transform .35s,box-shadow .35s}
.ai-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.3)}
.ai-card .ai-icon{font-size:2.4rem;margin-bottom:16px;display:block}
.ai-card h3{font-family:'Roboto','Lato',sans-serif;font-size:1.1rem;font-weight:700;color:#fff;margin-bottom:10px}
.ai-card p{font-size:.88rem;color:rgba(255,255,255,.6);line-height:1.65}

/* ── case studies ── */
.case-study{margin-bottom:32px}
.case-study:last-child{margin-bottom:0}
.case-study .card-inner{display:grid;grid-template-columns:1fr;gap:16px}
.cs-header{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cs-header h3{font-family:'Roboto','Lato',sans-serif;font-size:1.25rem;font-weight:700;color:#fff}
.cs-tag{padding:4px 14px;border-radius:999px;font-size:.75rem;font-weight:600;background:linear-gradient(135deg,var(--indigo),var(--pink));color:#fff}
.cs-client{font-size:.9rem;color:rgba(255,255,255,.5);font-weight:500}
.cs-desc{font-size:.95rem;color:rgba(255,255,255,.65);line-height:1.7}
.cs-tech{display:flex;flex-wrap:wrap;gap:8px}
.cs-tech-pill{padding:4px 14px;border-radius:999px;font-size:.78rem;background:rgba(255,255,255,.08);border:1px solid var(--glass-border);color:rgba(255,255,255,.7)}
.cs-metric{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:12px;background:linear-gradient(135deg,rgba(99,102,241,.15),rgba(236,72,153,.15));border:1px solid rgba(99,102,241,.3);font-size:.9rem;font-weight:600;color:#fff}
.cs-metric::before{content:'';width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--indigo),var(--pink));flex-shrink:0}

/* ── process timeline ── */
.process-track{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.process-track::before{content:'';position:absolute;top:36px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,var(--indigo),var(--pink));z-index:0}
.process-step{text-align:center;position:relative;z-index:1}
.step-num{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--indigo),var(--pink));display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem;color:#fff;margin-bottom:16px;border:3px solid var(--bg)}
.process-step h4{font-family:'Roboto','Lato',sans-serif;font-size:1rem;font-weight:700;color:#fff;margin-bottom:8px}
.process-step p{font-size:.82rem;color:rgba(255,255,255,.5);line-height:1.6;padding:0 8px}

/* ── metrics ── */
.metrics-panel{padding:60px 40px;text-align:center}
.metrics-row{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.metric-item .metric-num{font-size:2.8rem;font-weight:800;background:linear-gradient(135deg,var(--indigo),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.metric-item .metric-label{font-size:.9rem;color:rgba(255,255,255,.5);margin-top:4px}

/* ── testimonials carousel ── */
.testimonials-carousel{position:relative;max-width:820px;margin:0 auto;overflow:hidden}
.carousel-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:24px;padding:8px 0}
.carousel-track::-webkit-scrollbar{display:none}
.testimonial-slide{min-width:100%;max-width:100%;scroll-snap-align:center;flex-shrink:0;box-sizing:border-box}
.testimonial-card{position:relative;padding:48px 40px;text-align:center;overflow:hidden;word-wrap:break-word;overflow-wrap:break-word}
.testimonial-card .quote-mark{position:absolute;font-size:6rem;font-weight:800;line-height:1;background:linear-gradient(135deg,var(--indigo),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;opacity:.25;pointer-events:none}
.quote-mark.open{top:12px;left:20px}
.quote-mark.close{bottom:-20px;right:20px}
.testimonial-card blockquote{font-size:1.05rem;font-style:italic;color:rgba(255,255,255,.75);line-height:1.8;margin-bottom:24px;position:relative;z-index:1}
.testimonial-card cite{font-style:normal;font-size:.9rem;font-weight:600;background:linear-gradient(135deg,var(--indigo),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.carousel-nav{display:flex;justify-content:center;gap:12px;margin-top:24px}
.carousel-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--glass-border);background:var(--glass-bg);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);color:#fff;font-size:1.1rem;cursor:pointer;transition:border-color .3s,background .3s;display:inline-flex;align-items:center;justify-content:center}
.carousel-btn:hover{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.1)}
.carousel-dots{display:flex;align-items:center;gap:8px}
.carousel-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.25);border:none;cursor:pointer;transition:background .3s,transform .3s;padding:0}
.carousel-dot.active{background:linear-gradient(135deg,var(--indigo),var(--pink));transform:scale(1.3)}

/* ── values ── */
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value-card{padding:36px 28px;text-align:center;transition:transform .35s}
.value-card:hover{transform:translateY(-4px)}
.value-card h3{font-family:'Roboto','Lato',sans-serif;font-size:1.1rem;font-weight:700;color:#fff;margin-bottom:12px}
.value-card p{font-size:.9rem;color:rgba(255,255,255,.6);line-height:1.7}

/* ── CTA section ── */
.cta-section{position:relative;z-index:1}
.cta-panel{padding:80px 40px;text-align:center;border-top:2px solid transparent;border-image:linear-gradient(90deg,var(--indigo),var(--pink)) 1}
.cta-panel h2{font-family:'Roboto','Lato',sans-serif;font-size:2rem;font-weight:800;color:#fff;margin-bottom:16px}
.cta-panel .cta-sub{font-size:1.05rem;color:rgba(255,255,255,.6);margin-bottom:32px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}
.cta-phone{font-size:.9rem;color:rgba(255,255,255,.45)}

/* ── footer ── */
footer{border-top:2px solid transparent;border-image:linear-gradient(90deg,var(--indigo),var(--pink)) 1;position:relative;z-index:1}
.footer-grid{max-width:1200px;margin:0 auto;padding:48px 24px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-col h4{font-size:.85rem;text-transform:uppercase;letter-spacing:2px;color:rgba(255,255,255,.4);margin-bottom:16px;font-weight:600}
.footer-col p,.footer-col a{font-size:.88rem;color:rgba(255,255,255,.55);line-height:1.8}
.footer-col a:hover{color:#fff}
.footer-col .footer-logo{font-family:'Orbitron',sans-serif;font-size:1.25rem;font-weight:800;letter-spacing:3px;color:#fff;display:block;margin-bottom:12px}
.footer-col ul li{padding:2px 0}
.footer-bottom{max-width:1200px;margin:0 auto;padding:20px 24px;border-top:1px solid var(--glass-border);text-align:center;font-size:.82rem;color:rgba(255,255,255,.35)}

/* ── logo watermark backgrounds ── */
.bg-logo{position:relative;overflow:hidden}
.bg-logo::after{
  content:'';
  position:absolute;
  inset:0;
  background:url('../img/SDSharp%20logo2.png') center/320px no-repeat;
  opacity:.04;
  pointer-events:none;
  z-index:0;
}
.bg-logo-tile{position:relative;overflow:hidden}
.bg-logo-tile::after{
  content:'';
  position:absolute;
  inset:-50%;
  width:200%;
  height:200%;
  background:url('../img/SDSharp%20logo2.png') repeat/120px;
  opacity:.025;
  pointer-events:none;
  z-index:0;
  transform:rotate(-15deg);
}
.bg-logo-large{position:relative;overflow:hidden}
.bg-logo-large::after{
  content:'';
  position:absolute;
  top:50%;left:50%;
  width:600px;height:600px;
  transform:translate(-50%,-50%);
  background:url('../img/SDSharp%20logo2.png') center/contain no-repeat;
  opacity:.03;
  pointer-events:none;
  z-index:0;
}

/* ── scroll reveal ── */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ── responsive ── */
@media(max-width:1024px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .ai-grid{grid-template-columns:repeat(2,1fr)}
  .industries-grid{grid-template-columns:repeat(2,1fr)}
  .process-track{grid-template-columns:repeat(3,1fr);gap:24px}
  .process-track::before{display:none}
  .metrics-row{grid-template-columns:repeat(2,1fr)}
  .values-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:768px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .services-grid{grid-template-columns:1fr}
  .ai-grid{grid-template-columns:1fr}
  .industries-grid{grid-template-columns:1fr}
  .process-track{grid-template-columns:1fr}
  .metrics-row{grid-template-columns:repeat(2,1fr)}
  .values-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;text-align:center}
  .testimonial-card{padding:36px 24px}
  .cta-panel{padding:60px 24px}
  .trust-badges{flex-direction:column;align-items:center}
  .cs-header{justify-content:center}
  .metrics-panel{padding:40px 20px}
}