/* ============================================
   AZISEH BLESSING KIMASE — RESPONSIVE STYLES
   Enhanced mobile-first responsiveness
   ============================================ */

/* === PROCESS CARDS === */
.process-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.process-card:hover {
  border-color: var(--emerald);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.process-number {
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--gray-100);
  line-height: 1;
  pointer-events: none;
}

.process-card:hover .process-number {
  color: var(--emerald-light);
}

.process-icon {
  width: 64px;
  height: 64px;
  background: var(--emerald-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.process-icon i {
  font-size: 1.6rem;
  color: var(--emerald);
}

.process-card h4 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.process-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  margin-bottom: 0;
  line-height: 1.7;
}

/* === SCROLL TO TOP === */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: var(--emerald);
  transform: translateY(-3px);
}

/* === GALLERY LIGHTBOX === */
.gallery-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 33, 55, 0.95);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.gallery-lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90%;
  max-height: 85vh;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.2rem;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--emerald);
  border-color: var(--emerald);
}

.lightbox-close {
  top: 20px;
  right: 20px;
}

.lightbox-prev {
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

/* Gallery overlay on hover */
.gallery-item {
  position: relative;
  cursor: pointer;
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 33, 55, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  border-radius: var(--radius-md);
}

.gallery-overlay i {
  color: var(--white);
  font-size: 1.5rem;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

/* === ENHANCED MOBILE NAV === */
@media (max-width: 991px) {
  .navbar-collapse {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    padding: 80px 30px 30px;
    box-shadow: -10px 0 40px rgba(15, 33, 55, 0.15);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1050;
    overflow-y: auto;
    display: block !important;
  }

  .navbar-collapse.show {
    right: 0;
  }

  .navbar-collapse .navbar-nav {
    flex-direction: column;
    gap: 4px;
  }

  .navbar-collapse .nav-link {
    font-size: 1.1rem;
    padding: 14px 16px !important;
    border-radius: var(--radius-sm);
  }

  .navbar-collapse .nav-link:hover,
  .navbar-collapse .nav-link.active {
    background: var(--emerald-light);
    color: var(--emerald) !important;
  }

  .navbar-collapse .btn {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 16px;
  }

  /* Mobile nav overlay */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 33, 55, 0.5);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

/* === RESPONSIVE BREAKPOINTS === */

/* Large tablets and small desktops */
@media (max-width: 1199px) {
  .hero-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }

  .hero-stats {
    gap: 30px;
  }

  .service-card {
    padding: 24px;
  }
}

/* Tablets */
@media (max-width: 991px) {
  .section-padding {
    padding: 70px 0;
  }

  .hero-section {
    padding-top: 100px;
    padding-bottom: 50px;
  }

  .min-vh-85 {
    min-height: auto;
    padding: 40px 0;
  }

  .hero-stats {
    gap: 20px;
  }

  .hero-image-wrapper {
    margin-bottom: 40px;
  }

  .hero-image-container {
    max-width: 300px;
    margin: 0 auto;
  }

  .about-content {
    padding-left: 0;
    margin-top: 20px;
  }

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

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

  .timeline {
    padding-left: 30px;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-marker {
    left: -26px;
    width: 12px;
    height: 12px;
  }

  .advantage-card {
    padding: 24px 16px;
  }

  .process-card {
    padding: 24px 20px;
  }

  .process-number {
    font-size: 2.4rem;
  }
}

/* Mobile landscape and small tablets */
@media (max-width: 767px) {
  .section-padding {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.6rem !important;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .hero-section {
    padding-top: 90px;
    padding-bottom: 30px;
  }

  .hero-title {
    font-size: 1.9rem;
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-eyebrow {
    font-size: 0.85rem;
  }

  .hero-stats {
    gap: 16px;
    justify-content: space-between;
  }

  .stat-number, .stat-suffix {
    font-size: 1.6rem;
  }

  .stat-label {
    font-size: 0.7rem;
  }

  .hero-ctas .btn {
    display: block;
    width: 100%;
    margin: 0 0 12px 0 !important;
  }

  .hero-badge {
    display: none;
  }

  .hero-image-container {
    max-width: 250px;
  }

  .advantage-card {
    padding: 20px 14px;
  }

  .advantage-card p {
    font-size: 0.78rem;
  }

  .advantage-card h4 {
    font-size: 0.9rem;
  }

  .advantage-card i {
    font-size: 1.6rem;
  }

  .project-card {
    padding: 24px;
  }

  .project-metrics {
    flex-wrap: wrap;
    gap: 12px;
  }

  .metric {
    min-width: 80px;
    flex: 1;
  }

  .metric-number {
    font-size: 1.3rem;
  }

  .testimonial-card {
    padding: 24px;
  }

  .cert-card {
    padding: 24px;
  }

  .gallery-item {
    aspect-ratio: 4 / 3;
  }

  .experience-item {
    flex-direction: column;
    gap: 8px;
  }

  .exp-date {
    min-width: auto;
  }

  .footer-top .row {
    gap: 24px;
  }

  .contact-form-card {
    padding: 24px;
  }

  /* Process cards stack better on mobile */
  .process-card {
    text-align: left;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
  }

  .process-icon {
    margin: 0;
    flex-shrink: 0;
    width: 52px;
    height: 52px;
  }

  .process-icon i {
    font-size: 1.3rem;
  }

  .process-number {
    top: 8px;
    right: 12px;
    font-size: 2rem;
  }

  .lightbox-prev,
  .lightbox-next {
    width: 40px;
    height: 40px;
  }

  .lightbox-prev {
    left: 10px;
  }

  .lightbox-next {
    right: 10px;
  }
}

/* Small phones */
@media (max-width: 575px) {
  .section-padding {
    padding: 40px 0;
  }

  .section-title {
    font-size: 1.4rem !important;
  }

  .hero-title {
    font-size: 1.7rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-item {
    background: var(--gray-50);
    padding: 12px;
    border-radius: var(--radius-sm);
    text-align: center;
    align-items: center;
  }

  .stat-number, .stat-suffix {
    font-size: 1.5rem;
  }

  .btn-lg {
    padding: 12px 24px;
    font-size: 0.9rem;
    display: block;
    width: 100%;
    margin-bottom: 10px !important;
    margin-right: 0 !important;
  }

  .service-card {
    padding: 20px;
  }

  .service-title {
    font-size: 1.05rem;
  }

  .org-card {
    padding: 20px;
  }

  .org-card p {
    font-size: 0.82rem;
  }

  .tool-category-card {
    padding: 20px;
  }

  .blog-card {
    padding: 20px;
  }

  .timeline {
    padding-left: 24px;
  }

  .timeline-content {
    padding: 18px;
  }

  .timeline-content h4 {
    font-size: 1rem;
  }

  .timeline-content p {
    font-size: 0.85rem;
  }

  .footer-top .col-6 {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .scroll-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }

  .about-text {
    font-size: 0.95rem;
  }

  .accordion-button {
    font-size: 0.9rem;
    padding: 16px 18px;
  }

  .accordion-body {
    font-size: 0.88rem;
    padding: 0 18px 16px;
  }

  /* CTA banner stacking */
  .bg-navy .btn {
    display: block;
    width: 100%;
    margin: 0 0 10px 0 !important;
  }

  .rec-text {
    font-size: 0.88rem;
  }

  .recommendation-card {
    padding: 24px;
  }
}

/* Extra small phones (iPhone SE, etc) */
@media (max-width: 375px) {
  .hero-title {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.3rem !important;
  }

  .stat-number, .stat-suffix {
    font-size: 1.3rem;
  }

  .navbar-brand {
    font-size: 1rem !important;
  }

  .service-card {
    padding: 16px;
  }

  .process-card {
    padding: 16px;
  }
}

/* === LANDSCAPE MODE ADJUSTMENTS === */
@media (max-height: 500px) and (orientation: landscape) {
  .hero-section {
    padding-top: 80px;
    padding-bottom: 20px;
  }

  .min-vh-85 {
    min-height: auto;
  }

  .hero-image-container {
    max-width: 180px;
  }
}

/* === TOUCH DEVICE IMPROVEMENTS === */
@media (hover: none) and (pointer: coarse) {
  .service-card:hover,
  .project-card:hover,
  .org-card:hover,
  .testimonial-card:hover,
  .advantage-card:hover,
  .process-card:hover,
  .cert-card:hover,
  .tool-category-card:hover,
  .blog-card:hover {
    transform: none;
  }

  .gallery-overlay {
    opacity: 0.7;
    background: rgba(15, 33, 55, 0.3);
  }

  .btn:active {
    transform: scale(0.97);
  }
}

/* === HIGH RESOLUTION SCREENS === */
@media (min-width: 1400px) {
  .hero-title {
    font-size: 3.6rem;
  }

  .section-title {
    font-size: 3rem !important;
  }

  .hero-image-container {
    max-width: 450px;
  }

  .container {
    max-width: 1320px;
  }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  .scroll-to-top,
  .hero-badge,
  .marquee-track,
  .gallery-overlay,
  .gallery-lightbox {
    animation: none !important;
    transition: none !important;
  }

  .marquee-track {
    animation: none;
  }

  [data-aos] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* === PRINT STYLES OVERRIDE === */
@media print {
  .scroll-to-top,
  .gallery-lightbox,
  .nav-overlay,
  .gallery-overlay {
    display: none !important;
  }
}