/* ===== DEVR Tech — Bright Studio design system ===== */
:root{
  --blue:#2563EB; --coral:#FF6B4A; --pink:#E5447A; --teal:#19C6C2;
  --yellow:#FFC845; --ink:#0F1B33; --canvas:#F6F8FC; --white:#FFFFFF;
  --muted:#56627A; --line:#E3E9F2;
  --grad:linear-gradient(90deg,var(--blue),var(--pink));
  --radius:18px; --radius-lg:26px; --radius-pill:999px;
  --shadow:0 10px 30px rgba(16,25,53,.08);
  --shadow-lg:0 24px 60px rgba(16,25,53,.14);
  --maxw:1180px; --font-d:"Space Grotesk",system-ui,sans-serif;
  --font-b:"Inter",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-b);color:var(--ink);background:var(--canvas);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-d);font-weight:800;line-height:1.08;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow,.section-eyebrow{display:inline-block;font-family:var(--font-d);font-weight:700;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);background:#eaf0ff;padding:6px 14px;border-radius:var(--radius-pill)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-d);font-weight:700;font-size:.95rem;padding:13px 26px;border-radius:var(--radius-pill);border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.btn-cta{background:var(--coral);color:#fff;box-shadow:0 10px 24px rgba(255,107,74,.35)}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,107,74,.45)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.3)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-outline{background:var(--white);color:var(--ink);border-color:var(--line)}
.btn-outline:hover{transform:translateY(-2px);border-color:var(--blue);color:var(--blue)}

/* floating blobs */
.blobs{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.32;animation:drift 22s ease-in-out infinite}
.blob.b1{width:420px;height:420px;background:var(--blue);top:-120px;left:-100px}
.blob.b2{width:360px;height:360px;background:var(--pink);top:30%;right:-120px;animation-delay:-7s}
.blob.b3{width:300px;height:300px;background:var(--teal);bottom:-100px;left:20%;animation-delay:-14s}
@keyframes drift{0%,100%{transform:translate(0,0)}33%{transform:translate(40px,-30px)}66%{transform:translate(-30px,40px)}}

/* header */
.site-header{position:sticky;top:0;z-index:100;backdrop-filter:saturate(160%) blur(12px);background:rgba(246,248,252,.8);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 6px 20px rgba(16,25,53,.06)}
.navbar{display:flex;align-items:center;justify-content:space-between;height:74px}
.site-logo-img{height:34px;width:auto}
.nav-menu{display:flex;align-items:center;gap:30px;list-style:none}
.nav-menu a{font-weight:600;font-size:.95rem;color:var(--ink);transition:color .15s}
.nav-menu a:hover,.nav-menu a.current{color:var(--blue)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero (split) */
.hero{padding:72px 0 40px}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-content h1{font-size:clamp(2.4rem,5vw,3.9rem);margin:18px 0}
.hero-desc{font-size:1.12rem;color:var(--muted);max-width:30em;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-image-wrap img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.hero-badge{position:absolute;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:12px 16px;font-family:var(--font-d);font-weight:700;font-size:.9rem}
.hero-badge.hb1{top:24px;left:-18px;color:var(--blue)}
.hero-badge.hb2{bottom:30px;right:-14px;color:var(--teal)}
.hero-stats{display:flex;gap:48px;margin-top:48px;flex-wrap:wrap}
.hero-stat strong{display:block;font-family:var(--font-d);font-size:2.4rem;color:var(--ink)}
.hero-stat span{color:var(--muted);font-size:.92rem}

/* generic section */
.section{padding:84px 0}
.section--alt{background:var(--white)}
.section-header{margin-bottom:48px;max-width:46em}
.section-header h2{font-size:clamp(1.9rem,3.6vw,2.8rem);margin-top:14px}
.section-header.center{margin-left:auto;margin-right:auto;text-align:center}
.section-desc{color:var(--muted);font-size:1.05rem;margin-top:14px}

/* clients marquee */
.clients{padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--canvas)}
.clients-label{text-align:center;color:var(--muted);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:24px}
.clients-marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.clients-track{display:flex;align-items:center;gap:56px;width:max-content;animation:scroll 38s linear infinite}
.client-logo-img{height:72px;width:auto;object-fit:contain;transition:transform .25s ease}
.client-logo-img:hover{transform:scale(1.18)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* services list (home) */
.services-list{border-top:1px solid var(--line)}
.service-row{display:grid;grid-template-columns:64px 1fr auto 40px;gap:24px;align-items:center;padding:28px 8px;border-bottom:1px solid var(--line);transition:background .2s,padding .2s}
.service-row:hover{background:#fff;padding-left:20px;padding-right:20px;border-radius:var(--radius)}
.service-num{font-family:var(--font-d);font-weight:700;color:var(--blue);font-size:1.1rem}
.service-row h3{font-size:1.35rem;margin-bottom:6px}
.service-row p{color:var(--muted);max-width:34em}
.service-tags{display:flex;gap:8px;flex-wrap:wrap}
.service-tag{font-size:.78rem;font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);background:#eaf0ff;color:var(--blue)}
.service-arrow{font-size:1.4rem;color:var(--coral);transition:transform .2s}
.service-row:hover .service-arrow{transform:translateX(6px)}

/* work cards */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.work-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.work-thumb img{aspect-ratio:16/11;object-fit:cover}
.work-info{padding:22px}
.work-info .tag{display:inline-block;font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:5px 12px;border-radius:var(--radius-pill);margin-bottom:12px}
.tag.t-blue{background:#eaf0ff;color:var(--blue)} .tag.t-pink{background:#fff0f5;color:var(--pink)}
.tag.t-teal{background:#e6fbf8;color:#0E9C98} .tag.t-coral{background:#fff0ec;color:var(--coral)}
.tag.t-yellow{background:#fff7e0;color:#b07d00}
.work-info h3{font-size:1.2rem;margin-bottom:8px}
.work-info p{color:var(--muted);font-size:.95rem}

/* collaborations */
.collaborations{padding:60px 0;background:var(--white);border-top:1px solid var(--line)}
.collab-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;align-items:center;margin-top:28px}
.collab-logo-item{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.collab-logo-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.collab-logo-img{width:100%;max-height:48px;object-fit:contain;transition:.2s}

/* testimonials */
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:var(--white);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);border-top:4px solid var(--blue)}
.testimonial-card:nth-child(2){border-top-color:var(--coral)}
.testimonial-card:nth-child(3){border-top-color:var(--teal)}
.testimonial-stars{color:var(--yellow);font-size:1.1rem;margin-bottom:14px}
.testimonial-card blockquote{font-size:1.02rem;margin-bottom:22px}
.testimonial-author{display:flex;align-items:center;gap:12px}
.author-avatar{width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-d);font-weight:700}
.author-info strong{display:block;font-size:.95rem}
.author-info span{color:var(--muted);font-size:.85rem}

/* CTA banner */
.cta-banner{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:64px 48px;text-align:center;position:relative;overflow:hidden;margin:84px auto;max-width:var(--maxw)}
.cta-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(37,99,235,.5),transparent 50%),radial-gradient(circle at 80% 80%,rgba(229,68,122,.5),transparent 50%);opacity:.7}
.cta-banner>*{position:relative}
.cta-banner h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:14px}
.cta-banner p{color:#c5cee0;max-width:34em;margin:0 auto 28px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-banner .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.cta-banner .btn-outline:hover{background:#fff;color:var(--ink)}

/* footer */
.site-footer{background:var(--white);border-top:1px solid var(--line);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand p{color:var(--muted);font-size:.92rem;margin-top:16px;max-width:30em}
.footer-col h4{font-size:.95rem;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--muted);font-size:.9rem;transition:color .15s}
.footer-col a:hover{color:var(--blue)}
.footer-bottom{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:.82rem}

/* floating WhatsApp */
.wa-float{position:fixed;bottom:24px;right:24px;z-index:200;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 28px rgba(37,211,102,.45);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* services page cards */
.svc-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc-card{background:var(--white);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);border-top:5px solid var(--blue);transition:transform .2s,box-shadow .2s}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.svc-icon{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:18px;background:#eaf0ff}
.svc-card h3{font-size:1.25rem;margin-bottom:10px}
.svc-card p{color:var(--muted);font-size:.95rem;margin-bottom:16px}
.svc-card ul{list-style:none;margin-bottom:20px}
.svc-card li{font-size:.9rem;padding:5px 0 5px 24px;position:relative;color:var(--ink)}
.svc-card li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700}

/* portfolio */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.filter-btn{font-family:var(--font-d);font-weight:600;font-size:.88rem;padding:9px 20px;border-radius:var(--radius-pill);border:1.5px solid var(--line);background:var(--white);cursor:pointer;transition:.18s}
.filter-btn:hover{border-color:var(--blue);color:var(--blue)}
.filter-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.portfolio-grid .work-card.hide{display:none}

/* about */
.about-hero{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;padding:64px 0}
.about-hero img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.value-card{background:var(--white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.value-card .vc-icon{font-size:1.8rem;margin-bottom:12px}
.value-card h3{font-size:1.15rem;margin-bottom:8px}
.value-card p{color:var(--muted);font-size:.93rem}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;counter-reset:step}
.process-step{position:relative;padding-top:18px}
.process-step .ps-num{font-family:var(--font-d);font-weight:800;font-size:2rem;color:var(--blue);opacity:.25}
.process-step h3{font-size:1.1rem;margin:6px 0 8px}
.process-step p{color:var(--muted);font-size:.92rem}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:start}
.contact-info .ci-item{display:flex;gap:14px;margin-bottom:24px}
.contact-info .ci-icon{font-size:1.3rem}
.contact-info h4{font-size:1rem;margin-bottom:4px}
.contact-info p,.contact-info a{color:var(--muted);font-size:.95rem}
.form{background:var(--white);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}
.form label{display:block;font-weight:600;font-size:.88rem;margin:14px 0 6px}
.form input,.form select,.form textarea{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font-family:var(--font-b);font-size:.95rem;background:var(--canvas);transition:border-color .15s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue)}
.form textarea{min-height:120px;resize:vertical}
.form .btn-cta{width:100%;justify-content:center;margin-top:20px}
.form-status{margin-top:16px;font-size:.92rem;text-align:center;display:none}
.form-status.show{display:block}
.form-status.ok{color:#0E9C98} .form-status.err{color:var(--coral)}
.hp{position:absolute;left:-9999px}
.page-hero{padding:64px 0 24px;text-align:center}
.page-hero h1{font-size:clamp(2.2rem,4.5vw,3.4rem);margin:14px 0}
.page-hero p{color:var(--muted);font-size:1.1rem;max-width:36em;margin:0 auto}

/* reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:900px){
  .hero-inner,.about-hero,.contact-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .work-grid,.svc-cards,.portfolio-grid,.testimonials-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .collab-grid{grid-template-columns:repeat(3,1fr)}
  .process-steps{grid-template-columns:1fr 1fr}
  .nav-menu{position:fixed;inset:74px 0 auto 0;flex-direction:column;background:var(--white);padding:24px;gap:18px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:transform .3s;box-shadow:var(--shadow)}
  .nav-menu.open{transform:none}
  .hamburger{display:flex}
}
@media(max-width:600px){
  .work-grid,.svc-cards,.portfolio-grid,.testimonials-grid,.footer-grid,.values-grid,.process-steps{grid-template-columns:1fr}
  .service-row{grid-template-columns:1fr;gap:8px}
  .service-arrow,.service-tags{display:none}
  .hero-stats{gap:28px}
  .cta-banner{padding:44px 24px;border-radius:var(--radius)}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}