:root {
  --primary: #0b5ed7;
  --primary-2: #00b4d8;
  --dark: #0b1b33;
  --text: #22324a;
  --muted: #64748b;
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --border: #e3e9f2;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(11, 27, 51, .08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: 'Plus Jakarta Sans', system-ui, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 16px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 24px; border-radius: 12px; font-weight: 600; font-size: 15px; border: 2px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; box-shadow: 0 8px 20px rgba(11, 94, 215, .3); }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.35); }
.btn-outline { border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; color: var(--primary); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--dark); }
.brand img { height: 48px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; font-weight: 500; }
.nav-links a:not(.btn):hover { color: var(--primary); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--dark); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero { background: radial-gradient(1200px 500px at 80% -10%, #1e6fe8 0%, transparent 60%), linear-gradient(160deg, #071430 0%, #0b2a5b 100%); color: #fff; padding: 90px 0 110px; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.pill { display: inline-block; padding: 6px 14px; border-radius: 999px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); font-size: 13px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.12; font-weight: 800; margin-bottom: 18px; }
.grad { background: linear-gradient(90deg, #5ec8ff, #7ef0d6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: #c7d5ea; font-size: 17px; max-width: 540px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 40px; }
.hero-stats { list-style: none; display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stats strong { display: block; font-size: 22px; }
.hero-stats span { font-size: 13px; color: #9fb3d1; }
.hero-card { justify-self: center; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: 28px; padding: 36px; text-align: center; backdrop-filter: blur(6px); }
.hero-card p { color: #c7d5ea; margin-top: 14px; font-weight: 500; }
.speed-ring { position: relative; width: 220px; height: 220px; }
.speed-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.speed-ring circle { fill: none; stroke-width: 10; stroke-linecap: round; }
.speed-ring .track { stroke: rgba(255,255,255,.12); }
.speed-ring .bar { stroke: #5ec8ff; stroke-dasharray: 327; stroke-dashoffset: 327; animation: fill 1.8s ease-out forwards; }
@keyframes fill { to { stroke-dashoffset: 40; } }
.speed-val { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.speed-val strong { font-size: 46px; line-height: 1; }
.speed-val span { color: #9fb3d1; }

/* Sections */
.section { padding: 90px 0; }
.section.alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 40px; }
.section-head h2 { font-size: clamp(26px, 3.5vw, 36px); color: var(--dark); font-weight: 800; margin-bottom: 8px; }
.section-head p { color: var(--muted); }

/* Tabs */
.tabs { display: flex; justify-content: center; gap: 8px; background: var(--bg-alt); padding: 6px; border-radius: 16px; width: fit-content; max-width: 100%; margin: 0 auto 18px; overflow-x: auto; }
.tab { border: 0; background: transparent; padding: 12px 22px; border-radius: 12px; font: inherit; font-weight: 700; color: var(--muted); cursor: pointer; display: flex; flex-direction: column; align-items: center; line-height: 1.3; white-space: nowrap; transition: background .2s, color .2s; }
.tab small { font-weight: 500; font-size: 12px; }
.tab.active { background: #fff; color: var(--primary); box-shadow: var(--shadow); }
.panel { display: none; animation: fade .35s ease; }
.panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.panel-sub { text-align: center; color: var(--muted); margin-bottom: 36px; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.card { position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s, border-color .2s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #c9d8ee; }
.card.popular { border: 2px solid var(--primary); box-shadow: 0 14px 34px rgba(11, 94, 215, .15); }
.badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: 999px; }
.card h3 { font-size: 18px; color: var(--dark); }
.speed { display: flex; align-items: baseline; gap: 6px; margin: 14px 0 6px; }
.speed strong { font-size: 44px; font-weight: 800; line-height: 1; background: linear-gradient(135deg, var(--primary), var(--primary-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.speed span { font-weight: 700; color: var(--muted); }
.price { padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px dashed var(--border); }
.price strong { font-size: 22px; color: var(--dark); }
.price strong.contact { color: var(--primary); }
.price span { display: block; font-size: 13px; color: var(--muted); }
.features { list-style: none; flex: 1; margin-bottom: 24px; }
.features li { position: relative; padding-left: 26px; margin-bottom: 10px; font-size: 14.5px; }
.features li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 18px; height: 18px; border-radius: 50%; background: #e3f0ff; color: var(--primary); font-size: 11px; font-weight: 800; display: grid; place-items: center; }
.note { text-align: center; color: var(--muted); font-size: 13px; margin-top: 28px; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.feat { background: #fff; border-radius: var(--radius); padding: 28px; border: 1px solid var(--border); }
.feat .ico { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, #e3f0ff, #dff8f6); display: grid; place-items: center; font-size: 24px; margin-bottom: 16px; color: var(--primary); font-weight: 800; }
.feat h3 { font-size: 17px; color: var(--dark); margin-bottom: 6px; }
.feat p { color: var(--muted); font-size: 14.5px; }

/* CTA */
.cta-box { background: linear-gradient(135deg, var(--primary), #0a3d91); color: #fff; border-radius: 26px; padding: 48px; display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.cta-box h2 { font-size: clamp(26px, 3.5vw, 34px); margin-bottom: 8px; }
.cta-box p { color: #d6e4fb; max-width: 560px; }
.contact-list { list-style: none; margin-top: 22px; display: grid; gap: 8px; }
.contact-list span { display: inline-block; min-width: 90px; color: #a9c3ee; font-size: 14px; }
.contact-list a:hover { text-decoration: underline; }

/* Footer */
.footer { background: var(--dark); color: #9fb3d1; padding: 28px 0; font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer .brand { color: #fff; }
.footer .brand img { height: 32px; background: #fff; border-radius: 8px; padding: 3px; }

/* WhatsApp floating */
.wa-float { position: fixed; right: 20px; bottom: 20px; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 24px rgba(37, 211, 102, .45); z-index: 60; transition: transform .2s; }
.wa-float:hover { transform: scale(1.08); }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-card { display: none; }
  .cta-box { flex-direction: column; align-items: flex-start; padding: 32px 24px; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 8px 16px 16px; display: none; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; }
  .nav-links a.btn { margin-top: 8px; padding: 12px; }
  .brand span { font-size: 15px; }
  .hero { padding: 60px 0 70px; }
  .section { padding: 64px 0; }
  .tabs { width: 100%; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; }
  .tab { min-width: 0; padding: 10px 4px; font-size: 14px; white-space: normal; text-align: center; }
  .tab small { font-size: 10.5px; }
}