:root {
  --ink: #14213d;
  --ink-soft: #46506a;
  --bg: #ffffff;
  --bg-soft: #f4f6fb;
  --brand: #2b709c;
  --brand-dark: #1f5a80;
  --accent: #f5a524;
  --wa: #1fa855;
  --wa-dark: #178a45;
  --line: #e1e6f0;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(20, 33, 61, 0.08);
  --max: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 6vw, 3.2rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.section { padding: 56px 0; }
.section-soft { background: var(--bg-soft); }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--brand); margin-bottom: .75em;
}
.lead { font-size: 1.1rem; color: var(--ink-soft); max-width: 40em; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 800; }
.logo-img { width: 40px; height: 40px; object-fit: contain; }
.about-logo { width: 100%; max-width: 280px; height: auto; border-radius: 24px; background: #fff; border: 1px solid var(--line); padding: 16px; margin: 0 auto; box-shadow: var(--shadow); }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px; background: var(--brand); color: #fff;
  display: grid; place-items: center; font-size: .85rem; letter-spacing: .02em;
}
.logo small { display: block; font-weight: 500; color: var(--ink-soft); font-size: .72rem; }
.nav-toggle {
  background: none; border: 1px solid var(--line); border-radius: 10px; width: 44px; height: 44px;
  font-size: 1.3rem; cursor: pointer; color: var(--ink);
}
.nav {
  display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff;
  border-bottom: 1px solid var(--line); padding: 8px 16px 16px; flex-direction: column;
}
.nav.open { display: flex; }
.nav a { padding: 12px 4px; text-decoration: none; color: var(--ink); font-weight: 600; border-bottom: 1px solid var(--line); }
.nav a[aria-current="page"] { color: var(--brand); }
.nav .btn { margin-top: 12px; border-bottom: 0; }

@media (min-width: 820px) {
  .nav-toggle { display: none; }
  .nav { display: flex; position: static; flex-direction: row; align-items: center; gap: 24px; padding: 0; border: 0; background: none; }
  .nav a { border: 0; padding: 0; }
  .nav .btn { margin-top: 0; padding: 10px 18px; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 22px; border-radius: 999px; font-weight: 700; text-decoration: none;
  border: 2px solid transparent; cursor: pointer; font-size: 1rem; font-family: inherit;
  transition: background .15s, transform .15s;
}
.btn:active { transform: scale(.98); }
.btn-wa { background: var(--wa); color: #fff !important; }
.btn-wa:hover { background: var(--wa-dark); }
.btn-primary { background: var(--brand); color: #fff !important; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink) !important; background: #fff; }
.btn-ghost:hover { border-color: var(--brand); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn svg { width: 20px; height: 20px; fill: currentColor; }

/* Hero */
.hero { padding: 48px 0 56px; background: linear-gradient(180deg, #eaf4fa 0%, #fff 100%); }
.hero h1 span { color: var(--brand); }
.hero-points { list-style: none; padding: 0; margin: 24px 0 28px; display: grid; gap: 10px; }
.hero-points li { padding-left: 30px; position: relative; color: var(--ink-soft); }
.hero-points li::before {
  content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); color: var(--ink); font-weight: 800; font-size: .8rem; display: grid; place-items: center;
}
.page-hero { padding: 40px 0; background: linear-gradient(180deg, #eaf4fa 0%, #fff 100%); }

/* Cards */
.grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 640px) and (max-width: 959px) { .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); } }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.card p { color: var(--ink-soft); }
.card .more { margin-top: auto; font-weight: 700; text-decoration: none; }
.card-icon {
  width: 48px; height: 48px; border-radius: 12px; background: #eaf4fa; color: var(--brand);
  display: grid; place-items: center; font-size: 1.5rem; margin-bottom: 16px;
}
.tag {
  align-self: flex-start; font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  background: #fff4dd; color: #8a5a00; margin-bottom: 12px;
}

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 56px; }
.step::before {
  counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0;
  width: 40px; height: 40px; border-radius: 50%; background: var(--brand); color: #fff;
  font-weight: 800; display: grid; place-items: center;
}

/* Proof */
.stat { text-align: center; }
.stat strong { display: block; font-size: 2rem; color: var(--brand); }
.quote { font-style: italic; margin: 0; }
.quote footer { font-style: normal; font-weight: 700; margin-top: auto; color: var(--ink); }
.placeholder-note {
  border: 2px dashed var(--accent); background: #fffaf0; border-radius: var(--radius);
  padding: 12px 16px; font-size: .9rem; color: #8a5a00; margin-top: 16px;
}

/* About */
.about { display: grid; gap: 24px; align-items: center; }
@media (min-width: 820px) { .about { grid-template-columns: 280px 1fr; } }
.avatar {
  width: 100%; max-width: 280px; aspect-ratio: 1; border-radius: 24px; background: linear-gradient(135deg, var(--brand), #4a6ae0);
  color: #fff; display: grid; place-items: center; font-size: 4rem; font-weight: 800; margin: 0 auto;
}

/* CTA band */
.cta-band { background: var(--ink); color: #fff; border-radius: 24px; padding: 40px 24px; text-align: center; }
.cta-band p { color: #c8cfe0; }
.cta-band .btn-row { justify-content: center; }

/* Product detail */
.product { border-top: 1px solid var(--line); padding: 40px 0; }
.product:first-of-type { border-top: 0; }
.product ul { padding-left: 20px; color: var(--ink-soft); }
.product li { margin-bottom: 6px; }

/* Form */
.form { display: grid; gap: 16px; }
.form label { font-weight: 600; display: grid; gap: 6px; font-size: .95rem; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink);
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.contact-list li { display: flex; gap: 12px; align-items: flex-start; }
.contact-list .ic { font-size: 1.3rem; }

/* Footer */
.footer { background: var(--bg-soft); padding: 40px 0 100px; font-size: .9rem; color: var(--ink-soft); margin-top: 56px; }
.footer .wrap { display: grid; gap: 24px; }
@media (min-width: 820px) { .footer .wrap { grid-template-columns: 2fr 1fr 1fr; } .footer { padding-bottom: 40px; } }
.footer h4 { color: var(--ink); margin: 0 0 8px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.footer a { color: var(--ink-soft); text-decoration: none; }
.footer a:hover { color: var(--brand); }

/* Floating WhatsApp */
.wa-float {
  position: fixed; right: 16px; bottom: 16px; z-index: 30; width: 58px; height: 58px; border-radius: 50%;
  background: var(--wa); color: #fff; display: grid; place-items: center; box-shadow: 0 8px 24px rgba(31,168,85,.4);
}
.wa-float svg { width: 30px; height: 30px; fill: #fff; }