/* Base */
:root{
  --bg: #0b1220;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(15, 23, 42, .10);
  --primary: #4f46e5;
  --primary2: #6366f1;
  --success: #22c55e;
  --radius: 14px;
  --shadow: 0 12px 30px rgba(2, 6, 23, .08);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background: #f8fafc;
  line-height: 1.6;
}
img{ max-width:100%; height:auto; display:block; }
a{ color: inherit; }
.container{ max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted{ color: var(--muted); }
.section-lead{ color: #334155; max-width: 860px; margin: 10px auto 0; }
.sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

.skip-link{
  position:absolute; left:-999px; top:10px;
  background:#fff; color:#111; padding:10px 12px; border-radius:10px;
  border:1px solid var(--border);
  z-index: 9999;
}
.skip-link:focus{ left: 10px; }

/* Top bar */
.top-bar{
  background:#fff;
  border-bottom:1px solid rgba(15, 23, 42, .06);
  font-size:.92rem;
}
.top-bar-content{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding: 10px 0;
}
.top-bar-info{
  display:flex; align-items:center; gap: 18px;
  flex-wrap: wrap;
}
.top-bar-item{ display:flex; align-items:center; gap: 10px; color:#334155; }
.top-bar-logo{ height: 24px; width:auto; }
.phone-link{ color: var(--primary); font-weight: 650; text-decoration: none; }
.phone-link:hover{ text-decoration: underline; }
.top-bar-item i{ color: var(--primary); }

/* Sticky header / nav */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(248, 250, 252, .85);
  border-bottom: 1px solid rgba(15, 23, 42, .06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 0;
  gap: 16px;
}
.brand{ display:flex; align-items:center; gap: 10px; }
.brand-logo{ width: 34px; height: 34px; border-radius: 10px; }
.brand-name{ font-weight: 800; letter-spacing: .2px; }
.nav{ display:flex; align-items:center; }
.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background:#fff;
  width: 44px; height: 44px;
  border-radius: 12px;
  cursor:pointer;
  box-shadow: 0 8px 18px rgba(2, 6, 23, .05);
}
.nav-links{
  display:flex;
  align-items:center;
  gap: 18px;
}
.nav-links a{
  text-decoration:none;
  color:#0f172a;
  font-weight: 600;
  opacity: .9;
}
.nav-links a:hover{ opacity: 1; text-decoration: underline; text-underline-offset: 6px; }
.nav-cta{
  background: linear-gradient(135deg, var(--primary2), var(--primary));
  color:#fff !important;
  padding: 10px 14px;
  border-radius: 12px;
  box-shadow: 0 10px 22px rgba(79, 70, 229, .22);
  text-decoration:none !important;
}
.nav-cta:hover{ transform: translateY(-1px); box-shadow: 0 12px 26px rgba(79, 70, 229, .28); }

/* Hero */
.hero{
  background: radial-gradient(1100px 500px at 15% 0%, rgba(99, 102, 241, .18), transparent 60%),
              radial-gradient(900px 420px at 100% 10%, rgba(79, 70, 229, .18), transparent 55%),
              #ffffff;
  padding: 64px 0;
  overflow:hidden;
}
.hero-content{
  display:grid;
  grid-template-columns: 1.2fr 1fr;
  align-items:center;
  gap: 34px;
}
.hero h1{
  margin: 0;
  font-size: clamp(2rem, 3.2vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.hero-lead{ margin: 14px 0 0; color:#334155; font-size: 1.06rem; }
.hero-proof{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.proof-item{
  display:flex; align-items:center; gap: 10px;
  padding: 8px 12px;
  background: rgba(79, 70, 229, .06);
  border: 1px solid rgba(79, 70, 229, .12);
  border-radius: 999px;
  color:#1e293b;
  font-weight: 650;
  font-size: .95rem;
}
.proof-item i{ color: var(--primary); }
.features{ display:flex; flex-direction:column; gap: 10px; margin: 18px 0 0; }
.feature{
  display:flex; align-items:flex-start; gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, .06);
  box-shadow: 0 1px 0 rgba(2, 6, 23, .03);
}
.feature i{ color: var(--success); margin-top: 3px; }
.hero-buttons{ display:flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
.hero-button{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 750;
  text-decoration:none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.hero-button.primary{
  background: linear-gradient(135deg, var(--primary2), var(--primary));
  color:#fff;
  box-shadow: 0 14px 30px rgba(79, 70, 229, .22);
}
.hero-button.primary:hover{ transform: translateY(-1px); box-shadow: 0 18px 38px rgba(79, 70, 229, .28); }
.hero-button.secondary{
  background:#fff;
  border: 1px solid rgba(15, 23, 42, .14);
  color:#0f172a;
}
.hero-button.secondary:hover{ transform: translateY(-1px); box-shadow: 0 12px 26px rgba(2,6,23,.08); }
.hero-note{ margin: 14px 0 0; color: var(--muted); }
.hero-note a{ color: var(--primary); text-decoration: none; font-weight: 650; }
.hero-note a:hover{ text-decoration: underline; }
.hero-image{ position:relative; padding: 10px; }
.hero-image-bg{
  position:absolute;
  inset:-20%;
  background: radial-gradient(circle at 50% 40%, rgba(99, 102, 241, .45), transparent 60%);
  filter: blur(45px);
  opacity: .35;
  z-index: 0;
}
.hero-image img{
  position:relative;
  z-index: 1;
  border-radius: 22px;
  box-shadow: 0 28px 70px rgba(2, 6, 23, .18);
  border: 1px solid rgba(15, 23, 42, .08);
}
.floating{ animation: floating 4s ease-in-out infinite; }
@keyframes floating{ 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-14px);} }

/* Sections */
.applications, .why-flutter, .pricing, .faq, .contact{ padding: 64px 0; }
.applications{ background: #f8fafc; }
.applications h2, .why-flutter h2, .pricing h2, .faq h2, .contact h2{
  text-align:center;
  margin: 0;
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  letter-spacing: -0.02em;
}

.app-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}
.app-card{
  background:#fff;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 22px rgba(2, 6, 23, .06);
}
.app-card i{ font-size: 1.6rem; color: var(--primary); }
.app-card h3{ margin: 10px 0 6px; font-size: 1.1rem; }
.app-card p{ margin: 0; color: #475569; }

/* Portfolio */
.portfolio{ background: #ffffff; }
.portfolio-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}
.portfolio-card{
  display:block;
  text-decoration:none;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 12px 26px rgba(2,6,23,.06);
  transition: transform .16s ease, box-shadow .16s ease;
}
.portfolio-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(2,6,23,.10);
}
.portfolio-icon{
  width: 44px; height: 44px;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(79, 70, 229, .08);
  border: 1px solid rgba(79, 70, 229, .12);
}
.portfolio-icon i{ font-size: 1.35rem; color: var(--primary); }
.portfolio-card h3{ margin: 12px 0 6px; font-size: 1.08rem; }
.portfolio-card p{ margin: 0; color: #475569; }

.notice{
  max-width: 920px;
  margin: 16px auto 0;
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 18px;
  padding: 14px 16px;
  color: #334155;
}
.notice strong{ color: #0f172a; }

/* Process */
.process{
  max-width: 920px;
  margin: 22px auto 0;
  padding: 0;
  list-style: none;
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.process li{
  background: #fff;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: 0 10px 22px rgba(2,6,23,.05);
}
.process strong{ color:#0f172a; }

/* R10 box */
.r10-box{
  max-width: 920px;
  margin: 22px auto 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, .10), rgba(79, 70, 229, .06));
  border: 1px solid rgba(79, 70, 229, .16);
  border-radius: 18px;
  padding: 18px;
}
.r10-box h3{ margin: 0; font-size: 1.15rem; }
.checklist{ list-style:none; padding:0; margin: 12px 0 0; display:grid; gap: 8px; }
.checklist li{ display:flex; gap: 10px; align-items:flex-start; color:#1e293b; }
.checklist i{ color: var(--success); margin-top: 3px; }
.r10-links{ display:flex; flex-wrap:wrap; gap: 10px; margin-top: 12px; }
.r10-links a{
  text-decoration:none;
  color:#0f172a;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 12px;
  background:#fff;
  border: 1px solid rgba(15,23,42,.10);
}
.r10-links a:hover{ box-shadow: 0 10px 22px rgba(2,6,23,.06); transform: translateY(-1px); }
.subsection-title{ text-align:center; margin: 28px 0 0; }

/* Flutter advantages */
.flutter-advantages{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.advantage-item{
  background:#fff;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 22px rgba(2,6,23,.05);
}
.advantage-item i{ color: var(--primary); font-size: 1.6rem; }
.advantage-item h4{ margin: 10px 0 6px; font-size: 1.05rem; }
.advantage-item p{ margin:0; color:#475569; }

/* Pricing */
.pricing{ background:#fff; }
.pricing-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}
.pricing-card{
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 12px 26px rgba(2, 6, 23, .06);
}
.pricing-card h3{ margin:0; }
.price{ margin: 10px 0 0; font-size: 1.5rem; font-weight: 900; color: var(--primary); }
.description{ margin: 8px 0 0; color:#475569; }
.pricing-card ul{ list-style:none; padding:0; margin: 12px 0 0; display:grid; gap: 8px; }
.pricing-card li{ display:flex; gap: 10px; align-items:flex-start; color:#1e293b; }
.pricing-card li i{ color: var(--success); margin-top: 3px; }
.pricing-note{ text-align:center; margin-top: 16px; color: var(--muted); }
.pricing-note a{ color: var(--primary); text-decoration:none; font-weight:700; }
.pricing-note a:hover{ text-decoration: underline; }

/* Pricing highlight */
.pricing-highlight{
  max-width: 920px;
  margin: 20px auto 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, .10), rgba(79, 70, 229, .06));
  border: 1px solid rgba(79, 70, 229, .16);
  border-radius: 20px;
  padding: 18px;
}
.pricing-highlight-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.pricing-highlight h3{ margin: 0; }
.pricing-badge{
  background: #ffffff;
  border: 1px solid rgba(15,23,42,.10);
  border-radius: 18px;
  padding: 12px 14px;
  min-width: 190px;
  box-shadow: 0 12px 26px rgba(2,6,23,.06);
  text-align: center;
}
.badge-title{
  display:block;
  font-weight: 800;
  color: #475569;
  font-size: .92rem;
}
.badge-price{
  display:block;
  margin-top: 4px;
  font-weight: 950;
  color: var(--primary);
  font-size: 1.5rem;
}
.pricing-bullets{
  list-style:none;
  padding:0;
  margin: 14px 0 0;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.pricing-bullets li{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  color:#1e293b;
}
.pricing-bullets i{ color: var(--success); margin-top: 3px; }

/* Guide */
.guide{ background: #f8fafc; }
.guide-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}
.guide-card{
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 12px 26px rgba(2,6,23,.06);
}
.guide-card h3{ margin: 0; font-size: 1.08rem; }
.guide-card p{ margin: 10px 0 0; color: #334155; }
.guide-list{
  margin: 10px 0 0 18px;
  color: #334155;
}
.guide-list li{ margin: 6px 0; }

/* FAQ */
.faq{ background: #f8fafc; }
.faq-items{ max-width: 920px; margin: 18px auto 0; display:grid; gap: 10px; }
.faq-item{
  background:#fff;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: 0 10px 22px rgba(2,6,23,.05);
}
.faq-item summary{
  cursor:pointer;
  font-weight: 800;
  list-style: none;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item p{ margin: 10px 0 0; color:#475569; }

/* Contact / Offer */
.contact{
  background: linear-gradient(135deg, #0b1220 0%, #111827 100%);
  color:#fff;
}
.contact .section-lead{ color: rgba(255,255,255,.84); }
.offer-form{
  max-width: 920px;
  margin: 22px auto 0;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
  padding: 18px;
}
.form-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-grid label{ display:block; }
.form-grid span{ display:block; font-weight: 800; margin-bottom: 6px; }
.form-grid input, .form-grid textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(15, 23, 42, .55);
  color:#fff;
  outline: none;
}
.form-grid input::placeholder, .form-grid textarea::placeholder{ color: rgba(255,255,255,.55); }
.form-grid .full{ grid-column: 1 / -1; }
.form-actions{ display:flex; gap: 12px; margin-top: 12px; flex-wrap:wrap; justify-content: center; }
.cta-button{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  border: 0;
  cursor:pointer;
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 850;
  text-decoration:none;
  background: #fff;
  color: #0f172a;
}
.cta-button:hover{ transform: translateY(-1px); box-shadow: 0 16px 34px rgba(0,0,0,.22); }
.cta-button.whatsapp{ background: #25D366; color:#fff; }
.form-note{ text-align:center; margin: 12px 0 0; color: rgba(255,255,255,.75); }
.contact-info{
  margin: 18px auto 0;
  max-width: 720px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.contact-item{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 16px;
  padding: 14px 16px;
  display:flex; align-items:center; justify-content:center; gap: 10px;
}
.contact-item a{ color:#fff; text-decoration:none; font-weight: 750; }
.contact-item a:hover{ text-decoration: underline; }

/* Footer */
footer{
  background: #0b1220;
  color: rgba(255,255,255,.86);
  padding: 48px 0 30px;
}
.footer-content{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.footer-content h3{ margin: 0 0 10px; color:#fff; }
.footer-content ul{ list-style:none; padding:0; margin: 0; display:grid; gap: 8px; }
.footer-content a{ color: rgba(255,255,255,.86); text-decoration:none; }
.footer-content a:hover{ text-decoration: underline; }
.footer-bottom{
  margin-top: 18px;
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content:center;
  color: rgba(255,255,255,.70);
  flex-wrap: wrap;
}
.footer-link{ color: rgba(255,255,255,.84); text-decoration:none; }
.footer-link:hover{ text-decoration: underline; }
.dot{ opacity: .7; }
.copyright{
  text-align:center;
  margin: 18px 0 0;
  color: rgba(255,255,255,.62);
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.10);
}

/* Blog section */
.blog-section{ padding: 64px 0; background: #ffffff; }
.blog-section h2{ text-align:center; margin:0; font-size: clamp(1.6rem, 2.4vw, 2.1rem); letter-spacing: -0.02em; }
.blog-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}
.blog-card{
  display:flex; flex-direction:column;
  text-decoration:none; color:inherit;
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 12px 26px rgba(2,6,23,.06);
  transition: transform .16s ease, box-shadow .16s ease;
}
.blog-card:hover{ transform: translateY(-3px); box-shadow: 0 18px 40px rgba(2,6,23,.10); }
.blog-tag{
  display:inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(79, 70, 229, .08);
  border: 1px solid rgba(79, 70, 229, .12);
  color: var(--primary);
  font-size: .82rem;
  font-weight: 700;
  width: fit-content;
}
.blog-card h3{ margin: 12px 0 8px; font-size: 1.12rem; line-height: 1.4; }
.blog-card p{ margin: 0; color: #475569; flex:1; }
.blog-read{
  display:flex; align-items:center; gap: 6px;
  margin-top: 14px; color: var(--primary); font-weight: 700; font-size: .95rem;
}

/* Blog article page */
.blog-hero{
  background: radial-gradient(900px 400px at 20% 0%, rgba(99, 102, 241, .12), transparent 60%),
              radial-gradient(700px 350px at 90% 10%, rgba(79, 70, 229, .10), transparent 55%),
              #ffffff;
  padding: 40px 20px 48px;
  border-bottom: 1px solid rgba(15,23,42,.06);
}
.blog-hero-inner{
  max-width: 760px;
  margin: 0 auto;
}
.blog-breadcrumb{
  display:flex; align-items:center; gap: 8px;
  margin-bottom: 28px; color: var(--muted); font-size: .88rem;
}
.blog-breadcrumb a{ color: var(--primary); text-decoration: none; font-weight: 600; }
.blog-breadcrumb a:hover{ text-decoration: underline; }
.blog-article-title{
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.25;
  margin: 0 0 20px;
  letter-spacing: -0.03em;
  color: #0f172a;
}
.blog-meta{
  display:flex; gap: 18px; flex-wrap: wrap;
  color: var(--muted); font-size: .9rem;
}
.blog-meta span{
  display:flex; align-items:center; gap: 6px;
  background: rgba(15,23,42,.04);
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 500;
}

.blog-body{
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}
.blog-body h2{
  margin: 52px 0 20px;
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(79, 70, 229, .12);
}
.blog-body h3{
  margin: 40px 0 16px;
  font-size: 1.18rem;
  font-weight: 700;
  color: #1e293b;
  padding-left: 14px;
  border-left: 3px solid var(--primary);
}
.blog-body > p{
  margin: 0 0 22px;
  color: #334155;
  line-height: 1.9;
  font-size: 1.04rem;
}
.blog-body ul, .blog-body ol{
  margin: 0 0 26px;
  padding-left: 0;
  list-style: none;
  color: #334155;
  line-height: 1.85;
  font-size: 1.04rem;
}
.blog-body ul li, .blog-body ol li{
  margin: 0 0 12px;
  padding: 12px 16px 12px 20px;
  background: #f8fafc;
  border: 1px solid rgba(15,23,42,.05);
  border-radius: 12px;
  border-left: 3px solid rgba(79, 70, 229, .25);
}
.blog-body ol{ counter-reset: blog-counter; }
.blog-body ol li{ counter-increment: blog-counter; }
.blog-body ol li::before{
  content: counter(blog-counter) ".";
  font-weight: 800;
  color: var(--primary);
  margin-right: 8px;
}
.blog-body strong{ color: #0f172a; }

.blog-cta-box{
  margin: 52px 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, .10), rgba(79, 70, 229, .06));
  border: 1px solid rgba(79, 70, 229, .16);
  border-radius: 22px;
  padding: 32px 28px;
  text-align: center;
}
.blog-cta-box h3{ margin: 0 0 10px; font-size: 1.25rem; color: #0f172a; }
.blog-cta-box p{ margin: 0 0 20px; color: #475569; font-size: 1.02rem; }
.blog-cta-box .hero-button{ font-size: .95rem; }

.blog-related{
  margin-top: 60px;
  padding-top: 36px;
  border-top: 2px solid rgba(15,23,42,.06);
}
.blog-related > h3{
  margin: 0 0 20px;
  font-size: 1.25rem;
  border-left: none;
  padding-left: 0;
  border-bottom: none;
  padding-bottom: 0;
  color: #0f172a;
}

/* Floating WhatsApp */
.whatsapp-float{
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #fff;
  padding: 14px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 750;
  font-size: .95rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .35);
  transition: transform .16s ease, box-shadow .16s ease;
}
.whatsapp-float:hover{
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 12px 32px rgba(37, 211, 102, .45);
}
.whatsapp-float i{ font-size: 1.35rem; }

/* Responsive */
@media (max-width: 980px){
  .hero-content{ grid-template-columns: 1fr; }
  .hero-image{ order: -1; }
  .app-grid, .pricing-grid, .flutter-advantages{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .portfolio-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .blog-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-content{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px){
  .top-bar-content{ flex-direction: column; align-items:flex-start; }
  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .nav-links{
    display:none;
    position:absolute;
    right: 20px;
    top: 66px;
    background:#fff;
    border:1px solid var(--border);
    border-radius: 16px;
    padding: 12px;
    box-shadow: 0 18px 40px rgba(2,6,23,.12);
    flex-direction: column;
    align-items: stretch;
    min-width: 220px;
    gap: 10px;
  }
  .nav-links a{ padding: 8px 10px; border-radius: 12px; }
  .nav-links a:hover{ background: rgba(79, 70, 229, .07); text-decoration:none; }
  .nav-links.is-open{ display:flex; }
  .app-grid, .pricing-grid, .flutter-advantages{ grid-template-columns: 1fr; }
  .portfolio-grid{ grid-template-columns: 1fr; }
  .guide-grid{ grid-template-columns: 1fr; }
  .blog-grid{ grid-template-columns: 1fr; }
  .whatsapp-float-text{ display:none; }
  .whatsapp-float{ padding: 14px 16px; }
  .pricing-bullets{ grid-template-columns: 1fr; }
  .form-grid{ grid-template-columns: 1fr; }
  .contact-info{ grid-template-columns: 1fr; }
  .footer-content{ grid-template-columns: 1fr; }
}