:root {
  --black: #141414;
  --dark: #1c1b19;
  --offwhite: #f7f4ec;
  --pale-yellow: #fdf3d4;
  --yellow: #f5c93f;
  --white: #ffffff;
  --text: #222;
  --mid: #666;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
section { padding: 64px 20px; }
.container { max-width: 1140px; margin: 0 auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  padding: 16px 32px;
  border-radius: 999px;
  border: 2px solid var(--yellow);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-yellow { background: var(--yellow); color: var(--black); border-color: var(--yellow); }
.btn-outline { background: transparent; color: var(--yellow); }
.btn-outline.on-light { color: var(--black); border-color: var(--black); }
.btn svg { width: 22px; height: 22px; flex-shrink: 0; }

/* Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  border-bottom: 1px solid #2a2a2a;
}
nav {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}
.logo span { color: var(--yellow); }
.logo img { height: 34px; width: auto; }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  opacity: 0.85;
}
.nav-links a:hover { opacity: 1; color: var(--yellow); }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-call {
  color: var(--yellow);
  font-weight: 700;
  font-size: 0.95rem;
  display: none;
}

.burger {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

.mob-menu {
  display: none;
  flex-direction: column;
  background: var(--black);
  border-top: 1px solid #2a2a2a;
}
.mob-menu.open { display: flex; }
.mob-menu a {
  padding: 16px 20px;
  color: var(--white);
  font-weight: 600;
  border-bottom: 1px solid #2a2a2a;
}
.mob-menu a:last-child { border-bottom: none; }

/* Mode toggle */
.mode-toggle-bar {
  background: var(--offwhite);
  display: flex;
  justify-content: center;
  padding: 20px 20px 0;
}
.mode-toggle {
  display: flex;
  background: #000;
  border: 2px solid var(--yellow);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
  width: 100%;
  max-width: 360px;
}
.mode-toggle button {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
}
.mode-toggle button.active { background: var(--yellow); color: var(--black); }

/* Hero */
.hero {
  background: var(--offwhite);
  padding: 48px 20px 64px;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
.eyebrow {
  color: #3a362f;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 12px;
}
.hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--black);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.hero h1 span { color: var(--yellow); }
.hero p.lead {
  font-size: 1.1rem;
  color: #2c2a26;
  margin-bottom: 28px;
  max-width: 46ch;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 32px; }

.testimonial {
  border: 2px solid var(--yellow);
  border-radius: 18px;
  padding: 22px 24px;
  background: rgba(0,0,0,0.05);
}
.testimonial p {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--black);
  margin-bottom: 10px;
}
.testimonial cite {
  font-style: normal;
  font-weight: 700;
  color: #3a362f;
  font-size: 0.9rem;
}

.trust-line {
  font-weight: 600;
  color: #3a362f;
  font-size: 0.95rem;
}

.hero-image {
  border-radius: 18px;
  overflow: hidden;
  border: 3px solid var(--yellow);
  order: -1;
}
.hero-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center 22%;
}
.hero-text { order: 0; }

/* What we do */
.section-head { text-align: center; margin-bottom: 40px; }
.section-head h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--black);
  letter-spacing: -0.02em;
}
.section-head h2 em { color: var(--yellow); font-style: normal; }
.section-head p {
  color: var(--mid);
  max-width: 60ch;
  margin: 14px auto 0;
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.service-card {
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid #eee;
  background: var(--white);
}
.service-card img { width: 100%; height: 220px; object-fit: cover; }
.service-card h3 {
  padding: 16px 18px 4px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--black);
}
.service-card p {
  padding: 0 18px 18px;
  font-size: 0.92rem;
  color: var(--mid);
  line-height: 1.4;
}

/* About */
.about {
  background: var(--offwhite);
  text-align: center;
}
.about p {
  font-size: 1.1rem;
  color: var(--mid);
  max-width: 60ch;
  margin: 0 auto;
}

/* Commercial plan cards */
.plan-card {
  border-radius: 16px;
  border: 2px solid #eee;
  background: var(--white);
  padding: 26px 22px;
}
.plan-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--yellow);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.plan-icon svg { width: 26px; height: 26px; }
.plan-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
}
.plan-card p { color: var(--mid); font-size: 0.95rem; }

/* Coverage */
.coverage { background: var(--white); text-align: center; }
.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}
.chip {
  padding: 10px 20px;
  border-radius: 999px;
  border: 2px solid var(--black);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--black);
}

/* CTA */
.cta {
  background: var(--pale-yellow);
  text-align: center;
}
.cta h2 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 26px;
}
.cta-buttons { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.cta-divider { color: #3a362f; font-weight: 700; }
.contact-row {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 30px;
}
.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-weight: 600;
  color: var(--black);
  font-size: 1.05rem;
}
.contact-item svg { width: 24px; height: 24px; flex-shrink: 0; }
.contact-item a:hover { color: var(--yellow); }

/* Footer */
footer {
  background: var(--black);
  color: var(--white);
  padding: 40px 20px;
  text-align: center;
}
footer .logo { justify-content: center; margin-bottom: 12px; }
footer p { color: #999; font-size: 0.9rem; }

/* WhatsApp float */
.wa-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  background: #25D366;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* Residential / Commercial mode toggle */
body:not(.commercial) [data-mode="commercial"] { display: none; }
body.commercial [data-mode="residential"] { display: none; }

/* Desktop */
@media (min-width: 860px) {
  .nav-links { display: flex; }
  .nav-call { display: block; }
  .burger { display: none; }
  .hero .container { grid-template-columns: 1.1fr 0.9fr; }
  .hero h1 { font-size: 3.2rem; }
  .hero-image { order: 2; }
  .hero-text { order: 1; }
  .services-grid { grid-template-columns: repeat(4, 1fr); }
  .cta-buttons { flex-direction: row; }
  .contact-row { flex-direction: row; justify-content: center; gap: 48px; }
}

@media (max-width: 859px) {
  .nav-links { display: none; }
  .burger { display: block; }
}