/* ===== RD Bin Wash — Landing Page ===== */
:root {
  --navy: #14345B;
  --navy-dark: #0d2440;
  --green: #7CB928;
  --green-dark: #669a1e;
  --cyan: #29ABE2;
  --wa: #25D366;
  --wa-dark: #1eb757;
  --ink: #22303f;
  --muted: #5b6b7c;
  --bg-alt: #f2f7fb;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(20, 52, 91, .10);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  line-height: 1.6;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: 'Poppins', sans-serif; color: var(--navy); line-height: 1.2; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); }

.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 780px; }
.center { text-align: center; margin-top: 40px; }
.accent { color: var(--green); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 1rem;
  padding: 15px 28px; border-radius: 50px; text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 6px 20px rgba(37, 211, 102, .35); }
.btn-wa:hover { background: var(--wa-dark); }
.btn-call { background: var(--navy); color: #fff; box-shadow: 0 6px 20px rgba(20, 52, 91, .3); }
.btn-call:hover { background: var(--navy-dark); }
.btn-call-light { background: #fff; color: var(--navy); }
.btn-outline { border: 2px solid var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-sm { padding: 10px 20px; font-size: .9rem; }
.btn-lg { padding: 18px 36px; font-size: 1.1rem; }

/* ===== Header ===== */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .95); backdrop-filter: blur(8px);
  box-shadow: 0 2px 12px rgba(20, 52, 91, .08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 10px; padding-bottom: 10px; }
.header-logo { width: 92px; height: auto; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.header-phone {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--navy); font-weight: 600; text-decoration: none; font-size: .95rem;
}
.header-phone:hover { color: var(--cyan); }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(120deg, #62d7e8 0%, #2196d4 35%, var(--navy) 100%);
  color: #fff; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 78% 20%, rgba(255,255,255,.14) 0, transparent 45%);
}
.hero-inner {
  display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 32px;
  padding-top: 64px; padding-bottom: 110px; position: relative;
}
.hero-badge {
  display: inline-block; background: rgba(255, 255, 255, .16); border: 1px solid rgba(255,255,255,.35);
  padding: 7px 16px; border-radius: 50px; font-size: .85rem; font-weight: 600; margin-bottom: 20px;
}
.hero h1 { color: #fff; font-size: 3rem; font-weight: 800; margin-bottom: 18px; }
.hero h1 .accent { color: #aef14e; }
.hero-sub { font-size: 1.15rem; max-width: 540px; margin-bottom: 30px; color: #eaf6ff; }
.cta-group { display: flex; flex-wrap: wrap; gap: 14px; }
.cta-center { justify-content: center; }
.hero-trust { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 26px; font-size: .92rem; font-weight: 500; }
.hero-img img { width: 100%; max-width: 420px; margin: 0 auto; filter: drop-shadow(0 24px 40px rgba(0,0,0,.30)); }
.hero-wave { position: absolute; bottom: -1px; left: 0; right: 0; line-height: 0; }
.hero-wave svg { width: 100%; height: 90px; display: block; }

/* ===== Strip ===== */
.strip { padding: 8px 0 0; }
.strip-inner {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  background: #fff; border-radius: var(--radius); padding: 8px 10px 26px;
}
.strip-item { text-align: center; }
.strip-num { display: block; font-family: 'Poppins', sans-serif; font-size: 1.9rem; font-weight: 700; color: var(--green); }
.strip-label { color: var(--muted); font-size: .9rem; }

/* ===== Sections ===== */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.section h2 { font-size: 2.2rem; text-align: center; margin-bottom: 12px; }
.section-sub { text-align: center; color: var(--muted); max-width: 560px; margin: 0 auto 48px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.step {
  background: #fff; border: 1px solid #e5eef5; border-radius: var(--radius);
  padding: 30px 22px; text-align: center; box-shadow: var(--shadow);
}
.step img { width: 74px; margin: 0 auto 16px; }
.step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step p { font-size: .92rem; color: var(--muted); }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; align-items: stretch; }
.plan {
  background: #fff; border: 1px solid #e5eef5; border-radius: var(--radius);
  padding: 36px 28px; text-align: center; position: relative;
  display: flex; flex-direction: column; box-shadow: var(--shadow);
}
.plan-featured { border: 2px solid var(--green); transform: scale(1.03); }
.plan-tag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--green); color: #fff; font-family: 'Poppins', sans-serif;
  font-size: .78rem; font-weight: 600; padding: 5px 18px; border-radius: 50px; white-space: nowrap;
}
.plan h3 { font-size: 1.2rem; margin-bottom: 10px; }
.plan-price { font-family: 'Poppins', sans-serif; font-size: 2.8rem; font-weight: 800; color: var(--navy); }
.plan-price span { font-size: 1.05rem; font-weight: 600; color: var(--muted); }
.plan-per { color: var(--muted); font-size: .88rem; margin-bottom: 20px; }
.plan ul { list-style: none; text-align: left; margin-bottom: 26px; flex: 1; }
.plan ul li { padding: 7px 0; font-size: .94rem; border-bottom: 1px dashed #e5eef5; }
.plan ul li:last-child { border-bottom: none; }
.plans-note { text-align: center; margin-top: 34px; color: var(--muted); font-size: .95rem; }
.plans-note a { color: var(--navy); font-weight: 600; }

/* Why us */
.why-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.why-img img { border-radius: var(--radius); box-shadow: var(--shadow); }
.why-text h2 { text-align: left; margin-bottom: 24px; }
.why-list { list-style: none; margin-bottom: 30px; }
.why-list li { padding: 10px 0 10px 34px; position: relative; color: var(--muted); }
.why-list li strong { color: var(--ink); }
.why-list li::before {
  content: "✓"; position: absolute; left: 0; top: 10px;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--green); color: #fff; font-size: .8rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* FAQ */
.faq-list { display: grid; gap: 14px; }
.faq-item {
  background: #fff; border: 1px solid #e5eef5; border-radius: 12px;
  padding: 0 22px; box-shadow: 0 3px 12px rgba(20,52,91,.05);
}
.faq-item summary {
  font-family: 'Poppins', sans-serif; font-weight: 600; color: var(--navy);
  padding: 18px 30px 18px 0; cursor: pointer; list-style: none; position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; color: var(--green); transition: transform .2s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 0 18px; color: var(--muted); font-size: .95rem; }

/* Final CTA */
.final-cta {
  background: linear-gradient(120deg, var(--navy) 0%, #1a5c8f 60%, #2196d4 100%);
  color: #fff; text-align: center; padding: 72px 0;
}
.final-cta h2 { color: #fff; font-size: 2.2rem; margin-bottom: 12px; }
.final-cta p { color: #d7ecfa; margin-bottom: 32px; font-size: 1.1rem; }

/* Footer */
.footer { background: var(--navy-dark); color: #b8c9db; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 24px; padding-top: 44px; padding-bottom: 34px;
}
.footer-logo { width: 120px; background: #fff; border-radius: 12px; padding: 10px; }
.footer-info p { margin: 4px 0; font-size: .95rem; }
.footer-info a { color: #d7ecfa; text-decoration: none; }
.footer-info a:hover { color: #fff; }
.footer-bottom { text-align: center; font-size: .82rem; padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.08); }

/* Floating WhatsApp */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--wa); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .45);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.4); }
  70% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 18px rgba(37,211,102,0); }
  100% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,0); }
}

/* Mobile sticky bar */
.sticky-bar { display: none; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; padding-top: 44px; padding-bottom: 96px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .cta-group { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-img { order: -1; }
  .hero-img img { max-width: 230px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .plan-featured { transform: none; order: -1; }
  .why-inner { grid-template-columns: 1fr; }
  .why-img { max-width: 380px; margin: 0 auto; }
  .why-text h2 { text-align: center; }
  .strip-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .header-phone span { display: none; }
  .section { padding: 52px 0; }
  .section h2 { font-size: 1.7rem; }
  .steps { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .cta-group { flex-direction: column; }
  .hero h1 { font-size: 1.9rem; }
  body { padding-bottom: 64px; }
  .sticky-bar {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 300;
    box-shadow: 0 -4px 16px rgba(0,0,0,.15);
  }
  .sticky-bar a {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 16px 8px; font-family: 'Poppins', sans-serif; font-weight: 600;
    font-size: .95rem; text-decoration: none; color: #fff;
  }
  .sticky-call { background: var(--navy); }
  .sticky-wa { background: var(--wa); }
  .wa-float { bottom: 84px; right: 16px; width: 54px; height: 54px; }
}