/**
 * PatmoGPS Tanzania - Main Stylesheet
 * Professional GPS Tracking Solutions
 * 
 * Developed by: erickwilfreddaniel@gmail.com
 * Modern WordPress-like Design with Advanced Animations
 */

/* === CSS Custom Properties === */
:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);

  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --success-color: #00f2fe;
  --warning-color: #ffc107;
  --danger-color: #ff6b6b;
  --dark-color: #2c3e50;
  --light-color: #f8f9fa;

  --text-dark: #2c3e50;
  --text-light: #6c757d;
  --text-muted: #adb5bd;

  --border-radius-sm: 0.5rem;
  --border-radius-md: 1rem;
  --border-radius-lg: 1.5rem;
  --border-radius-xl: 2rem;

  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  --shadow-xl: 0 2rem 4rem rgba(0, 0, 0, 0.2);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  --font-family-primary: 'Mulish', Helvetica, Arial, sans-serif !important;
  --font-family-heading: 'Mulish', Helvetica, Arial, sans-serif !important;

  --kubio-color-1: 18, 155, 186;
  --kubio-color-2: 165, 82, 224;
  --kubio-color-3: 204, 75, 0;
  --kubio-color-4: 167, 198, 83;
  --kubio-color-5: 255, 255, 255;
  --kubio-color-6: 4, 31, 37;
  --kubio-color-1-variant-1: 142, 177, 185;
  --kubio-color-1-variant-2: 80, 166, 185;
  --kubio-color-1-variant-4: 9, 84, 100;
  --kubio-color-6-variant-3: 28, 35, 36;
  --kubio-color-6-variant-4: 16, 33, 36;
}

/* === Global Styles === */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Mulish', Helvetica, Arial, sans-serif !important;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--light-color);
  overflow-x: hidden;
}

/* === Typography === */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Mulish', Helvetica, Arial, sans-serif !important;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

h1 {
  font-size: 3.5rem;
}
h2 {
  font-size: 2.75rem;
}
h3 {
  font-size: 2.25rem;
}
h4 {
  font-size: 1.875rem;
}
h5 {
  font-size: 1.5rem;
}
h6 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  opacity: 0.9;
}

/* === Layout Components === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-fluid {
  width: 100%;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.section-sm {
  padding: 3rem 0;
}

.section-lg {
  padding: 7rem 0;
}

/* === Grid System === */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col {
  flex: 1;
  padding: 0 15px;
}

.col-auto {
  flex: 0 0 auto;
}

/* Responsive columns */
@media (min-width: 768px) {
  .col-md-1 {
    flex: 0 0 8.333333%;
  }
  .col-md-2 {
    flex: 0 0 16.666667%;
  }
  .col-md-3 {
    flex: 0 0 25%;
  }
  .col-md-4 {
    flex: 0 0 33.333333%;
  }
  .col-md-5 {
    flex: 0 0 41.666667%;
  }
  .col-md-6 {
    flex: 0 0 50%;
  }
  .col-md-7 {
    flex: 0 0 58.333333%;
  }
  .col-md-8 {
    flex: 0 0 66.666667%;
  }
  .col-md-9 {
    flex: 0 0 75%;
  }
  .col-md-10 {
    flex: 0 0 83.333333%;
  }
  .col-md-11 {
    flex: 0 0 91.666667%;
  }
  .col-md-12 {
    flex: 0 0 100%;
  }
}

@media (min-width: 992px) {
  .col-lg-1 {
    flex: 0 0 8.333333%;
  }
  .col-lg-2 {
    flex: 0 0 16.666667%;
  }
  .col-lg-3 {
    flex: 0 0 25%;
  }
  .col-lg-4 {
    flex: 0 0 33.333333%;
  }
  .col-lg-5 {
    flex: 0 0 41.666667%;
  }
  .col-lg-6 {
    flex: 0 0 50%;
  }
  .col-lg-7 {
    flex: 0 0 58.333333%;
  }
  .col-lg-8 {
    flex: 0 0 66.666667%;
  }
  .col-lg-9 {
    flex: 0 0 75%;
  }
  .col-lg-10 {
    flex: 0 0 83.333333%;
  }
  .col-lg-11 {
    flex: 0 0 91.666667%;
  }
  .col-lg-12 {
    flex: 0 0 100%;
  }
}

/* === Navigation === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(
    135deg,
    rgba(var(--kubio-color-1), 1) 0%,
    rgba(var(--kubio-color-6), 1) 100%
  ) !important;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
  padding: 1rem 0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-family: 'Mulish', Helvetica, Arial, sans-serif !important;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

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

.navbar-nav {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1rem;
}

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: all var(--transition-normal);
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link.active {
  color: var(--primary-color);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width var(--transition-normal);
}

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

/* === Hero Section === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--primary-gradient);
  color: white;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.8) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 3rem;
  opacity: 0.9;
}

/* === Animated Background Elements === */
.floating-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.floating-shape {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.floating-shape:nth-child(1) {
  width: 100px;
  height: 100px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-shape:nth-child(2) {
  width: 150px;
  height: 150px;
  top: 60%;
  right: 10%;
  animation-delay: -2s;
}

.floating-shape:nth-child(3) {
  width: 80px;
  height: 80px;
  bottom: 20%;
  left: 20%;
  animation-delay: -4s;
}

/* === Cards === */
.card {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}

.card-icon::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transition: all var(--transition-slow);
  transform: translate(-50%, -50%);
}

.card:hover .card-icon::before {
  width: 100px;
  height: 100px;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--border-radius-md);
  font-family: 'Mulish', Helvetica, Arial, sans-serif !important;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: left var(--transition-normal);
  z-index: -1;
}

.btn:hover::before {
  left: 0;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
}

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
}

/* === Animations === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(10deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* === Animation Classes === */
.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-down {
  animation: fadeInDown 0.8s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.8s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.8s ease-out;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* === Utility Classes === */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.text-primary {
  color: var(--primary-color);
}
.text-secondary {
  color: var(--secondary-color);
}
.text-success {
  color: var(--success-color);
}
.text-warning {
  color: var(--warning-color);
}
.text-danger {
  color: var(--danger-color);
}
.text-dark {
  color: var(--text-dark);
}
.text-light {
  color: var(--text-light);
}
.text-muted {
  color: var(--text-muted);
}
.text-white {
  color: white;
}

.bg-primary {
  background: var(--primary-gradient);
}
.bg-secondary {
  background: var(--secondary-gradient);
}
.bg-success {
  background: var(--success-gradient);
}
.bg-dark {
  background: var(--dark-gradient);
}
.bg-light {
  background: var(--light-color);
}
.bg-white {
  background: white;
}

.d-none {
  display: none;
}
.d-block {
  display: block;
}
.d-inline {
  display: inline;
}
.d-inline-block {
  display: inline-block;
}
.d-flex {
  display: flex;
}
.d-grid {
  display: grid;
}

.justify-content-start {
  justify-content: flex-start;
}
.justify-content-end {
  justify-content: flex-end;
}
.justify-content-center {
  justify-content: center;
}
.justify-content-between {
  justify-content: space-between;
}
.justify-content-around {
  justify-content: space-around;
}

.align-items-start {
  align-items: flex-start;
}
.align-items-end {
  align-items: flex-end;
}
.align-items-center {
  align-items: center;
}
.align-items-baseline {
  align-items: baseline;
}
.align-items-stretch {
  align-items: stretch;
}

/* Spacing utilities */
.m-0 {
  margin: 0;
}
.m-1 {
  margin: 0.5rem;
}
.m-2 {
  margin: 1rem;
}
.m-3 {
  margin: 1.5rem;
}
.m-4 {
  margin: 2rem;
}
.m-5 {
  margin: 3rem;
}

.mt-0 {
  margin-top: 0;
}
.mt-1 {
  margin-top: 0.5rem;
}
.mt-2 {
  margin-top: 1rem;
}
.mt-3 {
  margin-top: 1.5rem;
}
.mt-4 {
  margin-top: 2rem;
}
.mt-5 {
  margin-top: 3rem;
}

.mb-0 {
  margin-bottom: 0;
}
.mb-1 {
  margin-bottom: 0.5rem;
}
.mb-2 {
  margin-bottom: 1rem;
}
.mb-3 {
  margin-bottom: 1.5rem;
}
.mb-4 {
  margin-bottom: 2rem;
}
.mb-5 {
  margin-bottom: 3rem;
}

.p-0 {
  padding: 0;
}
.p-1 {
  padding: 0.5rem;
}
.p-2 {
  padding: 1rem;
}
.p-3 {
  padding: 1.5rem;
}
.p-4 {
  padding: 2rem;
}
.p-5 {
  padding: 3rem;
}

/* === Responsive Design === */
@media (max-width: 768px) {
  :root {
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.75rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .navbar-nav {
    flex-direction: column;
    gap: 1rem;
  }

  .section {
    padding: 3rem 0;
  }

  .card {
    padding: 2rem;
  }

  .container {
    padding: 0 1rem;
  }

  .row {
    margin: 0 -10px;
  }

  .col {
    padding: 0 10px;
    margin-bottom: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .card {
    padding: 1.5rem;
  }

  .btn {
    padding: 0.875rem 1.75rem;
  }

  .btn-lg {
    padding: 1rem 2rem;
  }
}

/* === Special Effects === */
.gradient-text {
  background: var(--primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-morphism {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.neon-glow {
  box-shadow: 0 0 20px var(--primary-color);
  border: 1px solid var(--primary-color);
}

.parallax {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* === Footer === */
.footer {
  background: var(--dark-gradient);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 2rem;
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--primary-gradient);
}

.footer-section {
  margin-bottom: 2rem;
}

.footer-title {
  color: white;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.footer-link:hover {
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

.developer-credit {
  margin-top: 1rem;
  font-size: 0.875rem;
  opacity: 0.8;
}

.developer-credit a {
  color: var(--primary-color);
  text-decoration: none;
}

.developer-credit a:hover {
  text-decoration: underline;
}