/* ========================================
   AfriPlat Website Styles
   Colors: Black, White, Light Gray
   Accent colors per sub-platform
   ======================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --black: #0a0a0a;
  --dark: #111111;
  --dark-gray: #1a1a1a;
  --medium-gray: #2a2a2a;
  --light-gray: #b0b0b0;
  --white: #f5f5f5;
  --pure-white: #ffffff;
  --green: #6abf4b;
  --orange: #c47020;
  --purple: #7b2d8e;
  --pink: #e84393;
  --accent: var(--white);
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--black);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--white);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent);
}

img {
  max-width: 100%;
  height: auto;
}

ul {
  list-style: none;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.1rem; }

p {
  color: var(--light-gray);
  margin-bottom: 1rem;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  margin-bottom: 0.5rem;
}

.section-title p {
  max-width: 600px;
  margin: 0 auto;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--medium-gray);
  padding: 0 0;
  transition: background var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand img {
  height: 40px;
  width: auto;
}

.nav-brand span {
  background: linear-gradient(135deg, var(--green), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  padding: 5px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > a::after {
  display: none;
}

.nav-dropdown > a {
  display: flex;
  align-items: center;
  gap: 4px;
}

.dropdown-arrow {
  font-size: 0.7rem;
  transition: transform var(--transition);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark);
  border: 1px solid var(--medium-gray);
  border-radius: 8px;
  padding: 0.5rem 0;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  margin-top: 10px;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  text-transform: none;
  letter-spacing: 0;
}

.dropdown-menu a:hover {
  background: var(--medium-gray);
}

.dropdown-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-green { background: var(--green); }
.dot-orange { background: var(--orange); }
.dot-pink { background: var(--pink); }
.dot-purple { background: var(--purple); }

/* Mobile Nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed !important;
    top: 70px !important;
    left: 0 !important;
    width: 100% !important;
    height: calc(100vh - 70px) !important;
    background: var(--black) !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    align-items: flex-start !important;
    padding-top: 2rem !important;
    gap: 0 !important;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 999 !important;
    overflow-y: auto !important;
  }

  .nav-links.open {
    transform: translateX(0) !important;
  }

  .nav-links a {
    padding: 1rem 2rem;
    font-size: 1rem;
    width: 100%;
  }

  .nav-dropdown .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    border: none;
    margin-top: 0;
    padding-left: 1rem;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 20px 80px;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(107, 191, 75, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

/* Hero with background image overlay */
.hero-bg {
  background-size: cover;
  background-position: center;
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.75);
  pointer-events: none;
}

.hero-bg .hero-content {
  position: relative;
  z-index: 2;
}

/* Section with background image */
.section-bg {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.section-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.85);
  pointer-events: none;
}

.section-bg > .container {
  position: relative;
  z-index: 2;
}

/* Image alongside text */
.about-image-col {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--medium-gray);
}

.about-image-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 300px;
  filter: brightness(0.8);
  transition: filter var(--transition), transform var(--transition);
}

.about-image-col:hover img {
  filter: brightness(0.9);
  transform: scale(1.02);
}

/* Section divider image band */
.image-band {
  width: 100%;
  height: 300px;
  position: relative;
  overflow: hidden;
}

.image-band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-band::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, var(--black), transparent 20%, transparent 80%, var(--black));
  pointer-events: none;
}

/* CSS Geometric Patterns */
.pattern-dots {
  background-image: radial-gradient(circle, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 30px 30px;
}

.pattern-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.pattern-diagonal {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 20px,
    rgba(255,255,255,0.015) 20px,
    rgba(255,255,255,0.015) 21px
  );
}

.pattern-circles {
  background-image: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.02) 0%, transparent 50%);
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero-logo {
  width: 120px;
  height: 120px;
  margin: 0 auto 2rem;
  border-radius: 50%;
  object-fit: contain;
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--green), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--light-gray);
  margin-bottom: 2rem;
  font-style: italic;
}

.hero p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

/* Subpage Hero (shorter) */
.hero-sub {
  min-height: 50vh;
  padding: 140px 20px 60px;
}

.hero-sub .hero-logo {
  width: 150px;
  height: 150px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--pure-white);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--light-gray);
  color: var(--black);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255,255,255,0.1);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--black);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: var(--black);
}

.btn-accent:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255,255,255,0.1);
}

.btn-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Sections --- */
section {
  padding: 100px 0;
}

.section-dark {
  background: var(--dark);
}

.section-darker {
  background: var(--dark-gray);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  margin-bottom: 1.5rem;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 2rem;
}

.stat-box {
  background: var(--dark-gray);
  border: 1px solid var(--medium-gray);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
}

.stat-box h3 {
  font-size: 2rem;
  margin-bottom: 0.3rem;
}

.stat-box p {
  font-size: 0.85rem;
  margin: 0;
}

/* --- Impact Points --- */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.impact-card {
  background: var(--dark-gray);
  border: 1px solid var(--medium-gray);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}

.impact-card:hover {
  transform: translateY(-5px);
  border-color: var(--light-gray);
}

.impact-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.impact-card h3 {
  margin-bottom: 0.75rem;
}

/* --- Platform Cards --- */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.platform-card {
  background: var(--dark);
  border: 1px solid var(--medium-gray);
  border-radius: 20px;
  padding: 3rem 2rem;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent, var(--white));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.platform-card:hover::before {
  transform: scaleX(1);
}

.platform-card:hover {
  transform: translateY(-8px);
  border-color: var(--card-accent, var(--light-gray));
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.platform-card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: contain;
  margin-bottom: 1.5rem;
}

.platform-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}

.platform-card .platform-tagline {
  font-style: italic;
  color: var(--card-accent, var(--light-gray));
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.platform-card p {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.platform-card .btn {
  padding: 10px 28px;
  font-size: 0.85rem;
}

.card-green { --card-accent: var(--green); }
.card-orange { --card-accent: var(--orange); }
.card-pink { --card-accent: var(--pink); }
.card-purple { --card-accent: var(--purple); }

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-gray) 100%);
  border-top: 1px solid var(--medium-gray);
  border-bottom: 1px solid var(--medium-gray);
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  max-width: 500px;
  margin: 0 auto 2rem;
}

/* --- Services Grid (sub-pages) --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--dark);
  border: 1px solid var(--medium-gray);
  border-radius: 16px;
  padding: 2rem;
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

/* --- Sub-page content --- */
.content-section {
  padding: 80px 0;
}

.content-section h2 {
  margin-bottom: 1.5rem;
}

.content-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

/* --- Blog --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.blog-card {
  background: var(--dark);
  border: 1px solid var(--medium-gray);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  border-color: var(--light-gray);
}

.blog-card-image {
  width: 100%;
  height: 200px;
  background: var(--dark-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light-gray);
  font-size: 0.9rem;
}

.blog-card-body {
  padding: 1.5rem;
}

.blog-card-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--light-gray);
  margin-bottom: 0.75rem;
}

.blog-card-body h3 {
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.blog-card-body p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.blog-card .read-more {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 1.5rem;
}

.contact-item-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item h4 {
  margin-bottom: 0.25rem;
}

.contact-item p {
  font-size: 0.9rem;
  margin: 0;
}

.contact-form {
  background: var(--dark);
  border: 1px solid var(--medium-gray);
  border-radius: 20px;
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--white);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--dark-gray);
  border: 1px solid var(--medium-gray);
  border-radius: 10px;
  color: var(--white);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--white);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--pure-white);
  color: var(--black);
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-submit:hover {
  background: var(--light-gray);
  transform: translateY(-2px);
}

.form-message {
  padding: 1rem;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(107, 191, 75, 0.15);
  border: 1px solid var(--green);
  color: var(--green);
}

.form-message.error {
  display: block;
  background: rgba(232, 67, 147, 0.15);
  border: 1px solid var(--pink);
  color: var(--pink);
}

/* --- Footer --- */
.footer {
  background: var(--dark);
  border-top: 1px solid var(--medium-gray);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
}

.footer-col h4 {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: var(--white);
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--light-gray);
  padding: 0.3rem 0;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--medium-gray);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--light-gray);
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Accent page overrides --- */
.page-green { --accent: var(--green); }
.page-orange { --accent: var(--orange); }
.page-pink { --accent: var(--pink); }
.page-purple { --accent: var(--purple); }

.page-green .hero::before {
  background: radial-gradient(ellipse at center, rgba(107, 191, 75, 0.08) 0%, transparent 70%);
}
.page-orange .hero::before {
  background: radial-gradient(ellipse at center, rgba(196, 112, 32, 0.08) 0%, transparent 70%);
}
.page-pink .hero::before {
  background: radial-gradient(ellipse at center, rgba(232, 67, 147, 0.08) 0%, transparent 70%);
}
.page-purple .hero::before {
  background: radial-gradient(ellipse at center, rgba(123, 45, 142, 0.08) 0%, transparent 70%);
}

/* --- Responsive --- */
@media (max-width: 992px) {
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.8rem; }

  .about-grid,
  .contact-grid,
  .content-two-col {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .impact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }

  section { padding: 60px 0; }

  .platforms-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .hero { padding: 100px 20px 60px; min-height: 80vh; }
  .hero-sub { padding: 120px 20px 40px; min-height: 40vh; }
}