/* ================================
   GLOBAL RESET & BASE STYLES
================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: "Roboto", sans-serif;
  line-height: 1.6;
  color: #333;
}

/* ================================
   BODY BACKGROUND IMAGE
================================ */
body {
  background: url("f.png") no-repeat center center fixed;
  background-size: cover;
}
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0,0,0,0.2);
  z-index: -1;
}

/* ================================
   CSS VARIABLES
================================ */
:root {
  --brand-teal: #0d98ba;
  --white: #fff;
  --dark-text: #333;
  --content-bg: rgba(255,255,255,0.9);
  --transition-speed: 0.3s;
}

/* ================================
   TOP BAR (WhatsApp)
================================ */
.top-bar {
  background-color: var(--brand-teal);
  text-align: center;
  padding: 0.4rem 0;
  font-size: 0.9rem;
  position: sticky;
  top: 0; z-index: 20;
}
.top-bar a {
  color: var(--white);
  text-decoration: none;
  transition: opacity var(--transition-speed);
}
.top-bar a:hover {
  opacity: 0.8;
}

/* ================================
   CONTAINER
================================ */
.container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem 0;
}

/* ================================
   HEADER & NAVIGATION
================================ */
.site-header {
  background: var(--white);
  border-bottom: 2px solid var(--brand-teal);
  position: sticky;
  top: 2.2rem; /* below the top-bar */
  z-index: 15;
}

.header-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.75rem 0;
}

.logo-image {
  max-height: 60px;
  transition: max-height var(--transition-speed);
  margin-bottom: 0.5rem;
}

.site-nav {
  width: 100%;
  background: var(--brand-teal);
}
.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 0;
}
.nav-list li a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--white);
  font-weight: 500;
  width: 100%;
  text-align: center;
  border-radius: 4px;
  transition: background var(--transition-speed);
}
.nav-list li a:hover {
  background: rgba(255,255,255,0.15);
}

/* ================================
   SECTIONS & CONTENT BOXES
================================ */
.section {
  padding: 2rem 0;
}
.content-box {
  background: var(--content-bg);
  padding: 2rem;
  border-radius: 8px;
}

.section h2 {
  font-size: 1.5rem;
  color: var(--brand-teal);
  margin-bottom: 1rem;
  font-weight: 500;
}

.section p {
  margin-bottom: 1rem;
  color: var(--dark-text);
}

.services-list,
.features-list,
.partners-list {
  list-style: disc inside;
  margin-left: 1rem;
  margin-top: 1rem;
}
.services-list li,
.features-list li,
.partners-list li {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.feature-title {
  color: var(--brand-teal);
  font-weight: 500;
}

/* ================================
   CONTACT DETAILS
================================ */
.contact-details p {
  margin-bottom: 1rem;
  line-height: 1.5;
}
.contact-details strong {
  color: var(--brand-teal);
}

/* ================================
   FOOTER
================================ */
.site-footer {
  background: var(--brand-teal);
  color: var(--white);
  text-align: center;
  padding: 1.5rem 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.footer-left, .footer-right {
  margin: 0.25rem 0;
}

/* ================================
   RESPONSIVE BREAKPOINTS
================================ */
/* Tablet (≥ 481px) */
@media (min-width: 481px) {
  .header-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    align-items: center;
    padding: 1rem 0;
  }
  .logo-image {
    max-height: 80px;
    margin-bottom: 0;
  }

  .nav-list {
    flex-direction: row;
    justify-content: flex-end;
    gap: 1rem;
    padding: 0.75rem 0;
  }
  .nav-list li a {
    width: auto;
    padding: 0.75rem 1rem;
  }

  .section {
    padding: 3rem 0;
  }
  .section h2 {
    font-size: 1.75rem;
  }
  .content-box {
    padding: 3rem;
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
  }
}

/* Desktop (≥ 769px) */
@media (min-width: 769px) {
  .logo-image {
    max-height: 100px;
  }
  .section {
    padding: 4rem 0;
  }
  .section h2 {
    font-size: 2rem;
  }
  .content-box {
    padding: 4rem;
  }
  .nav-list li a:hover {
    background: rgba(255,255,255,0.2);
  }
}

/* Very Large (≥ 1200px) */
@media (min-width: 1200px) {
  .container { max-width: 1200px; }
  .section h2 { font-size: 2.25rem; }
}