/* Smart City Bike Analytics Dashboard - Responsive CSS */

/* ===== BASE MOBILE STYLES (320px and up) ===== */
@media (min-width: 320px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .hero-title {
    font-size: 2rem;
    line-height: 1.1;
  }
  
  .hero-subtitle {
    font-size: 1.17rem;
  }
  
  .hero-desc {
    font-size: 0.95rem;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .card {
    padding: 1rem;
    margin-bottom: 1rem;
  }
  
  .service-item,
  .team-member,
  .review-item {
    margin-bottom: 1.74rem;
  }
  
  .team-photo {
    width: 60px;
    height: 60px;
  }
  
  .navbar-brand {
    font-size: 1rem;
  }
  
  .btn {
    padding: 0.75rem 1rem;
    font-size: 0.97rem;
  }
  
  .contact-form {
    padding: 1rem;
  }
  
  .footer {
    padding: 2rem 0 1rem;
  }
  
  .gallery-item img {
    height: 200px;
  }
  
  .analytics-number {
    font-size: 1.64rem;
  }
  
  .smart-city-icon {
    font-size: 2rem;
  }
}

/* ===== SMALL MOBILE STYLES (375px and up) ===== */
@media (min-width: 375px) {
  .hero-title {
    font-size: 2.31rem;
  }
  
  .hero-subtitle {
    font-size: 1.37rem;
  }
  
  .hero-desc {
    font-size: 1rem;
  }
  
  .card {
    padding: 1.25rem;
  }
  
  .team-photo {
    width: 70px;
    height: 70px;
  }
  
  .contact-form {
    padding: 1.25rem;
  }
  
  .analytics-number {
    font-size: 1.89rem;
  }
  
  .smart-city-icon {
    font-size: 2.28rem;
  }
}

/* ===== LARGE MOBILE STYLES (425px and up) ===== */
@media (min-width: 425px) {
  .hero-title {
    font-size: 2.65rem;
  }
  
  .hero-subtitle {
    font-size: 1.43rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .team-photo {
    width: 80px;
    height: 80px;
  }
  
  .contact-form {
    padding: 1.5rem;
  }
  
  .btn {
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
  }
  
  .analytics-number {
    font-size: 2rem;
  }
  
  .smart-city-icon {
    font-size: 2.58rem;
  }
  
  .gallery-item img {
    height: 220px;
  }
}

/* ===== TABLET STYLES (768px and up) ===== */
@media (min-width: 768px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.58rem;
  }
  
  .hero-desc {
    font-size: 1.27rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .card {
    padding: 1.75rem;
  }
  
  .service-item,
  .team-member,
  .review-item {
    margin-bottom: 2rem;
  }
  
  .team-photo {
    width: 100px;
    height: 100px;
  }
  
  .navbar-brand {
    font-size: 1.14rem;
  }
  
  .contact-form {
    padding: 2rem;
  }
  
  .footer {
    padding: 3rem 0 1.5rem;
  }
  
  .gallery-item img {
    height: 240px;
  }
  
  .analytics-number {
    font-size: 2.28rem;
  }
  
  .smart-city-icon {
    font-size: 3rem;
  }
  
  /* Grid adjustments for tablet */
  .services .row > .col-md-6 {
    margin-bottom: 2rem;
  }
  
  .team .row > .col-md-4 {
    margin-bottom: 2rem;
  }
  
  .reviews .row > .col-md-4 {
    margin-bottom: 2rem;
  }
  
  /* Hero section tablet layout */
  .hero-content {
    padding-right: 2rem;
    padding-top: 125px;
}
  
  .hero-image {
    padding-left: 2rem;
  }
  
  /* Contact form tablet layout */
  .contact-info {
    padding-left: 2rem;
  }
  
  .contact-form-wrapper {
    padding-right: 2rem;
  }
}

/* ===== LARGE TABLET STYLES (992px and up) ===== */
@media (min-width: 992px) {
  .hero-title {
    font-size: 3.63rem;
  }
  
  .hero-subtitle {
    font-size: 1.72rem;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .card {
    padding: 2rem;
  }
  
  .team-photo {
    width: 120px;
    height: 120px;
  }
  
  .contact-form {
    padding: 2.5rem;
  }
  
  .gallery-item img {
    height: 260px;
  }
  
  .analytics-number {
    font-size: 2.56rem;
  }
  
  .smart-city-icon {
    font-size: 3.64rem;
  }
  
  /* Services grid - 3 columns */
  .services .row > .col-lg-4 {
    margin-bottom: 2rem;
  }
  
  /* Team grid - 5 columns (custom) */
  .team .row > .col-lg-2 {
    margin-bottom: 2rem;
  }
  
  /* Reviews grid - 5 columns (custom) */
  .reviews .row > .col-lg-2 {
    margin-bottom: 2rem;
  }
  
  /* Hero section desktop layout */
  .hero-content {
    padding-right: 3rem;
    padding-top: 125px;
}
  
  .hero-image {
    padding-left: 3rem;
  }
  
  /* About features - 4 columns */
  .about .row > .col-lg-3 {
    margin-bottom: 2rem;
  }
  
  /* FAQ section - 2 columns */
  .faq .row > .col-lg-6 {
    margin-bottom: 1rem;
  }
  
  /* Gallery - 4 columns */
  .gallery .row > .col-lg-3 {
    margin-bottom: 2rem;
  }
  
  /* Process/Timeline - 5 columns */
  .process .row > .col-lg-2,
  .timeline .row > .col-lg-2 {
    margin-bottom: 2rem;
  }
  
  /* Case studies - 3 columns */
  .casestudy .row > .col-lg-4 {
    margin-bottom: 2rem;
  }
  
  /* Price plan - 3 columns */
  .priceplan .row > .col-lg-4 {
    margin-bottom: 2rem;
  }
  
  /* Core info - 6 columns (2 per row) */
  .coreinfo .row > .col-lg-6 {
    margin-bottom: 2rem;
  }
  
  /* Career - 4 columns */
  .career .row > .col-lg-3 {
    margin-bottom: 2rem;
  }
  
  /* Blog - 3 columns */
  .blog .row > .col-lg-4 {
    margin-bottom: 2rem;
  }
}

/* ===== DESKTOP STYLES (1200px and up) ===== */
@media (min-width: 1200px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  
  .hero-title {
    font-size: 4rem;
  }
  
  .hero-subtitle {
    font-size: 1.84rem;
  }
  
  .hero-desc {
    font-size: 1.27rem;
  }
  
  .section {
    padding: 5rem 0;
  }
  
  .card {
    padding: 2.5rem;
  }
  
  .contact-form {
    padding: 3rem;
  }
  
  .footer {
    padding: 4rem 0 2rem;
  }
  
  .gallery-item img {
    height: 280px;
  }
  
  .analytics-number {
    font-size: 3rem;
  }
  
  .smart-city-icon {
    font-size: 4rem;
  }
  
  /* Enhanced spacing for desktop */
  .hero-content {
    padding-right: 4rem;
    padding-top: 125px;
}
  
  .hero-image {
    padding-left: 4rem;
  }
  
  .contact-info {
    padding-left: 3rem;
  }
  
  .contact-form-wrapper {
    padding-right: 3rem;
  }
  
  /* Services enhanced layout */
  .services .row > .col-xl-4 {
    margin-bottom: 3rem;
  }
  
  /* Team enhanced layout */
  .team .row > .col-xl-2 {
    margin-bottom: 3rem;
  }
  
  /* Reviews enhanced layout */
  .reviews .row > .col-xl-2 {
    margin-bottom: 3rem;
  }
}

/* ===== LARGE DESKTOP STYLES (1400px and up) ===== */
@media (min-width: 1400px) {
  .hero-title {
    font-size: 4.53rem;
  }
  
  .hero-subtitle {
    font-size: 2rem;
  }
  
  .section {
    padding: 6rem 0;
  }
  
  .card {
    padding: 3rem;
  }
  
  .contact-form {
    padding: 3.5rem;
  }
  
  .gallery-item img {
    height: 300px;
  }
  
  .analytics-number {
    font-size: 3.60rem;
  }
  
  .smart-city-icon {
    font-size: 4.57rem;
  }
  
  /* Maximum spacing for large desktop */
  .hero-content {
    padding-right: 5rem;
    padding-top: 125px;
}
  
  .hero-image {
    padding-left: 5rem;
  }
  
  .contact-info {
    padding-left: 4rem;
  }
  
  .contact-form-wrapper {
    padding-right: 4rem;
  }
}

/* ===== EXTRA LARGE DESKTOP STYLES (1600px and up) ===== */
@media (min-width: 1600px) {
  .container {
    max-width: 1400px;
    margin: 0 auto;
  }
  
  .hero-title {
    font-size: 5rem;
  }
  
  .hero-subtitle {
    font-size: 2.39rem;
  }
  
  .hero-desc {
    font-size: 1.40rem;
  }
  
  .analytics-number {
    font-size: 4rem;
  }
  
  .smart-city-icon {
    font-size: 5rem;
  }
  
  .gallery-item img {
    height: 320px;
  }
}

/* ===== RESPONSIVE UTILITIES ===== */
.d-mobile-none {
  display: none;
}

@media (min-width: 768px) {
  .d-mobile-none {
    display: block;
  }
  
  .d-desktop-none {
    display: none;
  }
}

.text-mobile-center {
  text-align: center;
}

@media (min-width: 768px) {
  .text-mobile-center {
    text-align: left;
  }
}

.text-desktop-center {
  text-align: left;
}

@media (min-width: 992px) {
  .text-desktop-center {
    text-align: center;
  }
}

/* ===== GRID RESPONSIVE HELPERS ===== */
.row-mobile-1 .col-mobile-12 {
  width: 100%;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .row-tablet-2 .col-tablet-6 {
    width: 50%;
    float: left;
  }
}

@media (min-width: 992px) {
  .row-desktop-3 .col-desktop-4 {
    width: 33.333%;
    float: left;
  }
  
  .row-desktop-4 .col-desktop-3 {
    width: 25%;
    float: left;
  }
  
  .row-desktop-5 .col-desktop-2 {
    width: 20%;
    float: left;
  }
}

/* ===== RESPONSIVE NAVIGATION ===== */
@media (max-width: 991px) {
  .navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1rem;
    box-shadow: 0 8px 6px -1px rgba(0, 0, 0, 0.1);
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }
  
  .navbar-nav .nav-link:last-child {
    border-bottom: none;
  }
}

/* ===== RESPONSIVE HERO SECTION ===== */
@media (max-width: 767px) {
  .hero {
    min-height: 70vh;
    text-align: center;
  }
  
  .hero-image {
    margin-top: 2rem;
  }
  
  .hero-image img {
    max-width: 300px;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .hero {
    min-height: 80vh;
  }
  
  .hero-image img {
    max-width: 400px;
  }
}

/* ===== RESPONSIVE CONTACT SECTION ===== */
@media (max-width: 767px) {
  .contact-info {
    margin-top: 2rem;
    text-align: center;
  }
  
  .contact-info-item {
    justify-content: center;
  }
}

/* ===== RESPONSIVE FOOTER ===== */
@media (max-width: 767px) {
  .footer {
    text-align: center;
  }
  
  .footer .row > .col-6 {
    margin-bottom: 2rem;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .footer .row > .col-md-3 {
    margin-bottom: 2rem;
  }
}

/* ===== RESPONSIVE ANIMATIONS ===== */
@media (max-width: 767px) {
  .fade-in,
  .slide-in-left,
  .slide-in-right,
  .scale-in {
    opacity: 1;
    transform: none;
  }
}

/* ===== RESPONSIVE GALLERY ===== */
@media (max-width: 575px) {
  .gallery-item {
    margin-bottom: 1rem;
  }
  
  .gallery-item img {
    height: 180px;
  }
}

@media (min-width: 576px) and (max-width: 767px) {
  .gallery-item img {
    height: 200px;
  }
}

/* ===== RESPONSIVE FORMS ===== */
@media (max-width: 767px) {
  .form-control {
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }
}

/* ===== RESPONSIVE TABLES ===== */
@media (max-width: 767px) {
  .table-responsive {
    overflow-x: auto;
  }
  
  .table-responsive table {
    min-width: 600px;
  }
}

/* ===== RESPONSIVE MODALS ===== */
@media (max-width: 767px) {
  .modal-dialog {
    margin: 1rem;
  }
  
  .modal-content {
    border-radius: 0.5rem;
  }
}

/* ===== RESPONSIVE SPACING ===== */
@media (max-width: 575px) {
  .px-mobile-2 {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  
  .py-mobile-2 {
    padding-top: 0.75rem;
    padding-bottom: 0.58rem;
  }
  
  .m-mobile-1 {
    margin: 0.25rem;
  }
}

/* ===== RESPONSIVE TYPOGRAPHY ===== */
@media (max-width: 575px) {
  .h1-mobile {
    font-size: 1.78rem;
  }
  
  .h2-mobile {
    font-size: 1.53rem;
  }
  
  .h3-mobile {
    font-size: 1.33rem;
  }
  
  .p-mobile {
    font-size: 1.02rem;
  }
}

/* ===== LANDSCAPE ORIENTATION ===== */
@media (orientation: landscape) and (max-height: 500px) {
  .hero {
    min-height: 90vh;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.14rem;
  }
  
  .section {
    padding: 2rem 0;
  }
}

/* ===== FAQ RESPONSIVE STYLES ===== */
@media (max-width: 575px) {
  .faq-card {
    padding: var(--spacing-sm) !important;
    margin-bottom: var(--spacing-md);
  }
  
  .faq-card .card-header {
    padding: var(--spacing-sm);
  }
  
  .faq-card .card-body {
    padding: var(--spacing-sm);
  }
  
  .faq-card .card-header h5 {
    font-size: var(--fs-base);
  }
  
  .faq-card .card-text {
    font-size: var(--fs-sm);
  }
}

@media (min-width: 576px) and (max-width: 767px) {
  .faq-card {
    padding: var(--spacing-sm) !important;
  }
  
  .faq-card .card-header,
  .faq-card .card-body {
    padding: var(--spacing-sm);
  }
}