@import url("https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&display=swap");

:root {
  /* Dark Mode (Default) */
  --bg-color: #06070a;
  --surface-color: #0f111a;
  --surface-accent: #1a1d29;
  --text-color: #ffffff;
  --text-muted: #a0a0a0;
  --border-color: rgba(255, 255, 255, 0.08);

  /* Brand Colors */
  --clr-blue: #54d1ff;
  --clr-purple: #8c5cff;
  --clr-green: #00e676;
  --clr-green-glow: rgba(0, 230, 118, 0.3);

  --grad-main: linear-gradient(
    135deg,
    var(--clr-blue),
    var(--clr-purple),
    var(--clr-green)
  );
  --transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-mode {
  --bg-color: #f4f7ff;
  --surface-color: #ffffff;
  --surface-accent: #eef2ff;
  --text-color: #0c1221;
  --text-muted: #5c6b8b;
  --border-color: rgba(12, 18, 33, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Cairo", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition:
    background-color 0.5s ease,
    color 0.5s ease;
  overflow-x: hidden;
  line-height: 1.6;
}

.page-main {
  padding-top: 150px;
}

@media (max-width: 768px) {
  .page-main {
    padding-top: 100px;
  }
}

.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 25px;
}

/* --- Utilities --- */
.text-gradient {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn-glow {
  position: relative;
  padding: 15px 35px;
  border-radius: 50px;
  font-weight: 700;
  color: #fff;
  background: var(--grad-main);
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-glow:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px var(--clr-green-glow);
}

/* --- Header --- */
header {
  position: fixed;
  top: 20px;
  width: 100%;
  z-index: 1000;
}

.nav-pill {
  background: rgba(15, 17, 26, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  padding: 10px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  transition: var(--transition);
}

.logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  gap: 25px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 600;
  font-size: 0.95rem;
  transition: 0.3s;
}

.nav-links a:hover {
  color: var(--clr-green);
}

.nav-tools {
  display: flex;
  gap: 15px;
}

.theme-toggle {
  background: var(--surface-accent);
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--text-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
}

.menu-toggle {
  display: none;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 100px;
  overflow: hidden;
}

.hero-bg-logo {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: -1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.15;
  filter: blur(100px);
  animation: pulseLogo 10s infinite alternate;
}

@keyframes pulseLogo {
  from {
    transform: scale(1);
    opacity: 0.1;
  }
  to {
    transform: scale(1.2);
    opacity: 0.25;
  }
}

.hero-content {
  text-align: center;
  max-width: 900px;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 25px;
  opacity: 0;
  transform: translateY(50px);
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(30px);
}

.hero-cta {
  opacity: 0;
  transform: translateY(20px);
}

.hero-logo-full {
  width: 100%;
  max-width: 1200px;
  margin-top: 50px;
  opacity: 0;
  transform: scale(0.8);
  transition: 1.5s cubic-bezier(0.2, 1, 0.3, 1);
}

/* --- About Section --- */
.about {
  padding: 120px 0;
  text-align: center;
}

.section-tag {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--clr-green);
  margin-bottom: 15px;
  display: block;
}

.about h2 {
  font-size: 3rem;
  margin-bottom: 25px;
}

.about p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto;
}

/* --- Clients Slider --- */
.clients {
  padding: 80px 0;
  background: transparent;
  overflow: hidden;
  border-top: none;
  border-bottom: none;
}

.slider-container {
  display: flex;
  width: fit-content;
  gap: 80px;
  align-items: center;
  animation: scroll 30s linear infinite;
}

.clients:hover .slider-container {
  animation-play-state: paused;
}

.client-logo {
  height: 100px;
  width: auto;
  filter: grayscale(0.4) brightness(1.05);
  opacity: 0.85;
  transition:
    transform 0.3s ease,
    filter 0.3s ease,
    opacity 0.3s ease;
}

.client-logo:hover {
  filter: grayscale(0) brightness(1);
  opacity: 1;
  transform: scale(1.08);
}

@keyframes scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* --- Projects --- */
.projects {
  padding: 120px 0;
}

.projects-header {
  margin-bottom: 60px;
  text-align: center;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.project-card {
  background: var(--surface-color);
  border-radius: 25px;
  padding: 20px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card:hover {
  transform: translateY(-15px);
  border-color: var(--clr-green);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.project-img {
  width: 100%;
  height: 250px;
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 20px;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.5s;
}

.project-card:hover .project-img img {
  transform: scale(1.1);
}

.project-tag {
  display: inline-block;
  padding: 5px 15px;
  background: rgba(0, 230, 118, 0.1);
  color: var(--clr-green);
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.project-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- Growth / CTA --- */
.growth {
  padding: 100px 0;
}

.cta-box {
  background: var(--grad-main);
  padding: 80px;
  border-radius: 40px;
  text-align: center;
  color: #000;
  position: relative;
  overflow: hidden;
}

.cta-box h2 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  font-weight: 900;
}

.whatsapp-btn {
  background: #fff;
  color: #25d366;
  padding: 20px 40px;
  border-radius: 50px;
  font-size: 1.3rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: 0.3s;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* --- Why Choose Us --- */
.why {
  padding: 120px 0;
}

.process-list {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.process-item {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 40px;
  background: var(--surface-color);
  border-radius: 30px;
  border: 1px solid var(--border-color);
  opacity: 0;
  transform: translateX(100px);
  transition: 1s cubic-bezier(0.2, 1, 0.3, 1);
}

.process-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.process-icon {
  width: 100px;
  height: 100px;
  background: var(--surface-accent);
  border-radius: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--clr-green);
  flex-shrink: 0;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.process-info h4 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: var(--clr-green);
}

/* --- FAQ --- */
.faq {
  padding: 120px 0;
}

.faq-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.robot-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.robot-bot {
  width: 300px;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-30px);
  }
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.faq-item {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 25px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: 0.5s ease-out;
  padding: 0 25px;
  color: var(--text-muted);
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 25px;
}

.faq-item.active {
  border-color: var(--clr-green);
}

/* --- Stats --- */
.stats {
  padding: 80px 0;
  background: var(--surface-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  text-align: center;
}

.stat-item h3 {
  font-size: 4rem;
  font-weight: 900;
  color: var(--clr-green);
  margin-bottom: 10px;
}

.stat-item p {
  font-size: 1.2rem;
  font-weight: 600;
}

/* --- Footer --- */
footer {
  padding: 100px 0 40px;
  background: var(--surface-color);
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin-top: 20px;
  color: var(--text-muted);
  max-width: 400px;
}

.footer-col h5 {
  font-size: 1.2rem;
  margin-bottom: 25px;
  color: var(--clr-green);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 15px;
}

.footer-col ul a {
  text-decoration: none;
  color: var(--text-muted);
  transition: 0.3s;
}

.footer-col ul a:hover {
  color: var(--clr-green);
  padding-right: 10px;
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
}

/* --- Sidebar --- */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.services-sidebar {
  position: fixed;
  top: 0;
  right: -450px;
  width: 400px;
  max-width: 100%;
  height: 100vh;
  background: var(--surface-color);
  z-index: 1002;
  padding: 30px;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  border-left: 1px solid var(--border-color);
}

.services-sidebar.active {
  right: 0;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h3 {
  font-size: 1.5rem;
  color: var(--clr-green);
}

.close-sidebar {
  background: transparent;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
  transition: 0.3s;
}

.close-sidebar:hover {
  color: #ff4d4d;
  transform: rotate(90deg);
}

.sidebar-service-item {
  display: flex;
  gap: 15px;
  padding: 15px;
  border-radius: 15px;
  background: var(--surface-accent);
  margin-bottom: 15px;
  text-decoration: none;
  color: var(--text-color);
  border: 1px solid transparent;
  transition: var(--transition);
}

.sidebar-service-item:hover {
  background: var(--bg-color);
  border-color: var(--clr-green);
  transform: translateX(-5px);
}

.service-icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 230, 118, 0.1);
  color: var(--clr-green);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.service-info h4 {
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.service-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* --- Services Page Specific --- */
.filter-pills {
  margin-bottom: 40px;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 10px 25px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--clr-green);
  color: #000;
  border-color: var(--clr-green);
  box-shadow: 0 5px 20px rgba(0, 230, 118, 0.4);
}

.service-card-img {
  position: relative;
  height: 220px;
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 20px;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.5s;
}

.service-card:hover .service-card-img img {
  transform: scale(1.1);
}

.service-card-icon {
  position: absolute;
  bottom: -15px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: var(--clr-green);
  color: #000;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
  z-index: 10;
}

.service-card-content h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  margin-top: 10px;
}

.service-card-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* --- 3D Flip Card for Projects --- */
.project-card-flip {
  background-color: transparent;
  height: 400px;
  perspective: 1000px;
  border-radius: 25px;
}

.project-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s cubic-bezier(0.4, 0.2, 0.2, 1);
  transform-style: preserve-3d;
  border-radius: 25px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.project-card-flip:hover .project-card-inner {
  transform: rotateY(180deg);
}

.project-card-front,
.project-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: 25px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.project-card-front {
  background: var(--surface-color);
  display: flex;
  flex-direction: column;
}

.project-card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.front-content-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
  padding: 30px 20px;
  text-align: right;
}

.front-content-overlay h3 {
  font-size: 1.8rem;
  color: #fff;
  margin-bottom: 5px;
}

.front-content-overlay p {
  color: var(--clr-green);
  font-weight: 600;
}

.project-card-back {
  background: var(--surface-accent);
  color: var(--text-color);
  transform: rotateY(180deg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: right;
}

.project-card-back h3 {
  font-size: 1.5rem;
  margin-bottom: 5px;
}

.project-card-back p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

.tools-used {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.tool-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
}

.tool-pill::before {
  content: "•";
  color: var(--clr-green);
  margin-left: 5px;
}

/* --- Responsive --- */
/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
  .container {
    padding: 0 15px;
  }
  .hero-content h1 {
    font-size: 3rem;
  }
  .about h2 {
    font-size: 2.5rem;
  }
  .faq-container {
    grid-template-columns: 1fr;
  }
  .robot-bot {
    width: 200px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .project-details-grid {
    grid-template-columns: 1fr;
  }
  .summary-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  header {
    top: 10px;
  }

  .nav-pill {
    padding: 8px 20px;
    width: 95%;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-accent);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 1.2rem;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    background: var(--surface-color);
    padding: 20px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: var(--transition);
    z-index: 999;
    gap: 15px;
  }

  .nav-links.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a {
    display: block;
    padding: 10px;
    font-size: 1.1rem;
  }

  .nav-tools .btn-glow {
    display: none;
  }

  .hero {
    padding-top: 120px;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .about h2 {
    font-size: 2rem;
  }

  .process-item {
    flex-direction: column;
    text-align: center;
    padding: 30px 20px;
    gap: 20px;
  }

  .process-icon {
    margin: 0 auto;
  }

  .cta-box {
    padding: 40px 20px;
  }

  .cta-box h2 {
    font-size: 2rem;
  }

  .whatsapp-btn {
    font-size: 1.1rem;
    padding: 15px 25px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .footer-brand p {
    margin: 20px auto 0;
  }

  .stat-item h3 {
    font-size: 3rem;
  }

  .summary-cards {
    grid-template-columns: 1fr;
  }

  .project-title-area h1 {
    font-size: 2.5rem;
  }

  .details-hero {
    padding: 140px 0 60px;
  }

  .filter-pills {
    justify-content: flex-start !important;
    overflow-x: auto;
    padding: 0 20px 10px !important;
    -webkit-overflow-scrolling: touch;
    width: calc(100% + 40px);
    margin-right: -20px;
    margin-left: -20px;
    scrollbar-width: none;
  }

  .filter-pills::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .services-grid {
    grid-template-columns: 1fr !important;
  }
}