:root {
  --bg: #f7faf9;
  --card: #ffffff;
  --muted: #51656d;
  --text: #0f1b1f;
  --text-strong: #0b1214;
  --primary: #0ea55a; /* Nigerian green-inspired */
  --primary-700: #0b864a;
  --ring: rgba(14, 165, 90, 0.35);
  --border: #e3ece9;
  --section-1: #f0f7f4; /* Light green tint for hero */
  --section-2: #f8f9fa; /* Light gray for features */
  --section-3: #f5f7f9; /* Light blue-gray for Nigeria section */
  --section-4: #f0f4f8; /* Light blue for CTA */
  --section-5: #f9f6f0; /* Light beige for contact */
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  letter-spacing: 0.2px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: min(1120px, 92%); margin: 0 auto; }
.pill { display: inline-flex; align-items: center; gap: .5rem; padding: .25rem .8rem; border-radius: 999px; background: rgba(14,165,90,.12); color: var(--primary); font-weight: 600; border: 1px solid rgba(14,165,90,.25); font-size: 0.9rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1.2rem; border-radius: 8px; border: 1px solid var(--border);
  font-weight: 700; transition: background .2s ease;
}
.btn:focus { outline: 3px solid var(--ring); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff; border-color: transparent; }
.btn-primary:hover { background: var(--primary-700); }
.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover { background: rgba(0,0,0,.05); }

/* Nav */
header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(180%) blur(8px); background: color-mix(in oklab, var(--bg) 86%, transparent); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; padding: .9rem 0; position: relative; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; letter-spacing: .2px; }
.logo { width: 32px; height: 32px; object-fit: contain; border-radius: 8px; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { font-weight: 700; font-size: 0.9rem; letter-spacing: 0.3px; }
.nav-toggle { 
  display: none; 
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.2s ease;
}
.nav-toggle:hover {
  background: rgba(14,165,90,0.1);
  border-color: rgba(14,165,90,0.3);
}

/* Hero */
.hero { padding: 4.5rem 0 2.5rem; position: relative; overflow: clip; background: var(--section-1); border-bottom: 1px solid var(--border); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 2.4rem; align-items: center; }
.hero h1 { font-size: clamp(2rem, 4vw + .5rem, 3.25rem); line-height: 1.15; margin: 1rem 0 .6rem; letter-spacing: -0.5px; color: var(--text-strong); }
.hero p.lead { font-size: clamp(1rem, 1.1vw + .6rem, 1.25rem); color: var(--muted); margin-bottom: 1.4rem; }
.hero-card { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 1.2rem; }
.stat { display: grid; grid-template-columns: auto 1fr; gap: .6rem .9rem; align-items: center; padding: .8rem; border-radius: 14px; background: color-mix(in oklab, var(--card) 85%, #0ea55a 15%); border: 1px dashed rgba(14,165,90,.35); }

/* Feature grid */
.section { padding: 3.5rem 0; }
.section:nth-of-type(1) { background: var(--section-2); border-top: 1px solid var(--border); } /* Features section */
.section:nth-of-type(2) { background: var(--section-3); border-top: 1px solid var(--border); } /* Nigeria section */
.section:nth-of-type(3) { background: var(--section-4); border-top: 1px solid var(--border); } /* CTA section */
.section:nth-of-type(4) { background: var(--section-5); border-top: 1px solid var(--border); } /* Contact section */
.section h2 { font-size: clamp(1.5rem, 2.2vw + .6rem, 2.2rem); margin: 0 0 1rem; letter-spacing: -0.3px; color: var(--text-strong); }
.muted { color: var(--muted); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 1.6rem; }
.feature { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 1.1rem; transition: background .2s ease, border-color .2s ease; }
.feature:hover { background: color-mix(in oklab, var(--card) 95%, var(--primary) 5%); border-color: rgba(14,165,90,.35); }
.feature h3 { margin: .6rem 0 .3rem; font-size: 1.05rem; letter-spacing: -.2px; }
.feature p { margin: 0; color: var(--muted); font-size: .95rem; }
.icon { width: 32px; height: 32px; display: inline-grid; place-items: center; border-radius: 10px; background: rgba(14,165,90,.12); border: 1px solid rgba(14,165,90,.25); }

/* Nigeria section */
.nigeria { display: grid; grid-template-columns: 1.1fr 1fr; gap: 1.6rem; }
.list { display: grid; gap: .65rem; }
.list li { display: grid; grid-template-columns: 20px 1fr; gap: .7rem; align-items: start; }

/* Rollout steps styling */
.rollout-steps {
  background: linear-gradient(135deg, var(--section-1) 0%, var(--card) 100%);
  border: 2px solid var(--border);
  border-radius: 24px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  counter-reset: rollout-counter;
}

.rollout-steps::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-700) 100%);
}

.rollout-steps h3 {
  font-size: 1.4rem;
  margin: 0 0 1.5rem 0;
  color: var(--text-strong);
  text-align: center;
  position: relative;
}

/* Removed rocket icon from header */

.rollout-steps ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.2rem;
}

.rollout-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.3s ease;
  position: relative;
}

.rollout-steps li:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(14, 165, 90, 0.15);
  border-color: var(--primary);
}

.rollout-steps li::before {
  content: counter(rollout-counter);
  counter-increment: rollout-counter;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-700) 100%);
  color: white;
  border-radius: 50%;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 4px 15px rgba(14, 165, 90, 0.3);
}

/* Removed step icons */

.rollout-steps .step-content {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  font-weight: 500;
}

.rollout-steps .step-content strong {
  color: var(--text-strong);
  font-weight: 700;
}

.rollout-steps .cta-buttons {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: center;
}

.rollout-steps .cta-buttons .btn {
  min-width: 140px;
  justify-content: center;
}

/* CTA */
.cta { border: 1px solid var(--border); border-radius: 22px; padding: 1.6rem; display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; }

/* Footer */
footer { border-top: 1px solid var(--border); margin-top: 3rem; }
.foot { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: 1.4rem 0; color: var(--muted); font-size: .95rem; }

/* Form styling */
form label { display: grid; gap: .35rem; font-size: .95rem; }
input, textarea { 
  width: 100%; 
  padding: .8rem .9rem; 
  border-radius: 6px; 
  border: 1px solid var(--border); 
  background: color-mix(in oklab, var(--card) 90%, transparent); 
  color: var(--text); 
  font-size: 0.95rem;
}
input:focus, textarea:focus { 
  outline: 3px solid var(--ring); 
  border-color: transparent; 
  box-shadow: 0 0 0 3px var(--ring);
}

/* Enhanced contact form styling */
#contact form {
  background: linear-gradient(135deg, var(--card) 0%, color-mix(in oklab, var(--card) 95%, var(--section-1) 5%) 100%);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 15px 40px rgba(0,0,0,.08), 0 5px 15px rgba(14,165,90,.1);
  max-width: 800px;
  margin: 0 auto;
  transition: all 0.3s ease;
}

#contact form:hover {
  box-shadow: 0 20px 50px rgba(0,0,0,.12), 0 8px 20px rgba(14,165,90,.15);
}

#contact form label span {
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 0.3rem;
  display: block;
}

#contact form input::placeholder,
#contact form textarea::placeholder {
  color: var(--muted);
  opacity: 0.7;
}

#contact form textarea {
  resize: vertical;
  min-height: 100px;
  font-family: inherit;
}

/* Touch-friendly improvements */
#contact form input,
#contact form textarea {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

#contact form input:hover,
#contact form textarea:hover {
  border-color: rgba(14,165,90,.4);
}

#contact form input:focus,
#contact form textarea:focus {
  box-shadow: 0 8px 25px rgba(14,165,90,.15);
}

#contact form .btn {
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  min-width: 160px;
  box-shadow: 0 4px 15px rgba(14,165,90,.25);
}

#contact form .muted {
  font-style: italic;
  opacity: 0.8;
}

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .nigeria { grid-template-columns: 1fr; }
  .features { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  /* Contact form mobile optimization */
  #contact form {
    padding: 1.5rem;
    margin: 0 1rem;
  }
  
  #contact form > div:first-child {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }
  
  #contact form .btn {
    min-width: auto;
    width: 100%;
    justify-content: center;
  }
  
  #contact form > div:last-child {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  
  #contact form .muted {
    text-align: center;
  }
}

@media (max-width: 640px) {
  .features { grid-template-columns: 1fr; }
  .nav-links { 
    display: none; 
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 12px 12px;
    padding: 1rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    flex-direction: column;
    gap: 0.5rem;
    z-index: 100;
  }
  .nav-links.open { display: flex; }
  .nav-links a { 
    padding: 0.8rem 1rem; 
    border-radius: 8px;
    transition: background 0.2s ease;
  }
  .nav-links a:hover { background: rgba(14,165,90,0.1); }
  .nav-toggle { display: inline-flex; }
  .cta { grid-template-columns: 1fr; }
  
  .rollout-steps {
    padding: 1.5rem;
  }
  
  .rollout-steps h3 {
    font-size: 1.2rem;
  }
  
  .rollout-steps li {
    padding: 0.8rem 1rem;
    gap: 0.8rem;
  }
  
  .rollout-steps li::before {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
  }
  
  .rollout-steps .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .rollout-steps .cta-buttons .btn {
    min-width: auto;
  }
  
  /* Additional mobile optimizations */
  .container {
    width: 95%;
  }
  
  .hero {
    padding: 3rem 0 2rem;
  }
  
  .section {
    padding: 2.5rem 0;
  }
  
  #contact form {
    padding: 1.2rem;
    margin: 0 0.5rem;
  }
  
  #contact form input,
  #contact form textarea {
    padding: 0.9rem;
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  /* Ensure form elements are touch-friendly on mobile */
  #contact form label {
    margin-bottom: 0.5rem;
  }
  
  #contact form label span {
    font-size: 0.9rem;
  }
  
  #contact form .btn {
    padding: 1.1rem 1.5rem;
    font-size: 1rem;
    border-radius: 8px;
  }
}

/* Extra small screens */
@media (max-width: 480px) {
  .nav-links {
    padding: 0.8rem;
    gap: 0.3rem;
  }
  
  .nav-links a {
    padding: 0.7rem 0.8rem;
    font-size: 0.9rem;
  }
  
  #contact form {
    padding: 1rem;
    margin: 0 0.25rem;
    border-radius: 12px;
  }
  
  #contact form input,
  #contact form textarea {
    padding: 0.8rem;
    border-radius: 8px;
  }
  
  #contact form .btn {
    padding: 1rem 1.2rem;
    font-size: 0.95rem;
  }
  
  #contact h2 {
    font-size: 1.8rem;
  }
  
  #contact p.muted {
    font-size: 0.9rem;
  }
}