/* VARIABLES */
:root {
  --black: #05070a;
  --navy: #0a1128;
  --navy-light: #162447;
  --aqua: #00b4d8;
  --aqua-dark: #0077b6;
  --aqua-glow: rgba(0, 180, 216, 0.4);
  --white: #ffffff;
  --text-gray: #aeb8c3;
  
  --glass-bg: rgba(10, 17, 40, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 16px;
  
  --font-primary: 'Outfit', sans-serif;
  --font-secondary: 'Playfair Display', serif;
  
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* RESET & BASE */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

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

.section-padding {
  padding: 100px 0;
}

.bg-navy {
  background-color: var(--navy);
}

.text-gradient {
  background: linear-gradient(to right, var(--aqua), #48cae4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-subtitle {
  color: var(--aqua);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.section-title {
  font-size: 2.8rem;
  font-family: var(--font-secondary);
  font-weight: 600;
  margin-bottom: 40px;
}

.text-center { text-align: center; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.w-100 { width: 100%; }

/* GLASSMORPHISM */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 500;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--aqua);
  color: var(--navy);
  box-shadow: 0 4px 15px var(--aqua-glow);
}

.btn-primary:hover {
  background: #48cae4;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(72, 202, 228, 0.6);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--white);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--aqua);
}

.btn-outline-light {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-3px);
}

.btn-whatsapp {
  background: #25D366;
  color: white;
}

.btn-whatsapp:hover {
  background: #128C7E;
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

/* NAVIGATION */
.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 17, 40, 0.7);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-smooth);
}

.glass-nav.scrolled {
  padding: 5px 0;
  background: rgba(5, 7, 10, 0.9);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  transition: var(--transition-smooth);
}

.logo {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.logo-blue { color: var(--aqua); }
.logo-sky { color: var(--white); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a:not(.btn) {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--white);
  transition: var(--transition-smooth);
  position: relative;
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--aqua);
  transition: var(--transition-smooth);
}

.nav-links a:not(.btn):hover::after {
  width: 100%;
}

.nav-links a:not(.btn):hover {
  color: var(--aqua);
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* HERO SECTION */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: slowZoom 20s infinite alternate;
}

@keyframes slowZoom {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(5,7,10,0.9) 0%, rgba(10,17,40,0.6) 50%, rgba(5,7,10,0.3) 100%);
}

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

.hero h1 {
  font-size: 4.5rem;
  font-family: var(--font-secondary);
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-gray);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-btns {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* SCROLL INDICATOR */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 2;
  opacity: 0.7;
}

.mouse {
  width: 24px;
  height: 36px;
  border: 2px solid var(--white);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.wheel {
  width: 4px;
  height: 6px;
  background: var(--aqua);
  border-radius: 2px;
  animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* TRUST BAR */
.trust-bar {
  background: var(--navy-light);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  padding: 30px 0;
  position: relative;
  z-index: 10;
  margin-top: -1px;
}

.trust-container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.trust-item i {
  font-size: 1.8rem;
  color: var(--aqua);
  margin-bottom: 10px;
}

.trust-number {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-secondary);
}

.trust-label {
  font-size: 0.85rem;
  color: var(--text-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.lead-text {
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-gray);
  margin-bottom: 25px;
}

.about-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}

.about-list i {
  color: var(--aqua);
}

.image-card {
  position: relative;
  padding: 15px;
  overflow: hidden;
}

.image-card img {
  border-radius: 12px;
  width: 100%;
  height: auto;
}

.experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--aqua);
  color: var(--navy);
  padding: 30px 40px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.experience-badge .years {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-secondary);
  line-height: 1;
}

.experience-badge .text {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

/* SERVICES SECTION */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  padding: 40px 30px;
  transition: var(--transition-smooth);
  cursor: default;
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0, 180, 216, 0.3);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), inset 0 0 20px rgba(0, 180, 216, 0.05);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 180, 216, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  color: var(--aqua);
  font-size: 1.5rem;
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
  background: var(--aqua);
  color: var(--navy);
  transform: scale(1.1);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  font-family: var(--font-secondary);
}

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

/* PROJECTS SECTION */
.projects-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 300px;
  gap: 20px;
}

.project-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  padding: 0;
  border: none;
}

.project-large {
  grid-row: span 2;
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  transform: translateY(20px);
  opacity: 0;
  transition: var(--transition-smooth);
}

.project-item:hover img {
  transform: scale(1.05);
}

.project-item:hover .project-info {
  transform: translateY(0);
  opacity: 1;
}

.project-info h3 {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
}

.project-info p {
  color: var(--aqua);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* BEFORE AFTER SLIDER */
.ba-slider {
  position: relative;
  width: 100%;
  height: 400px;
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
}

.ba-slider img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.resize-img {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 50%;
  overflow: hidden;
}

.slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 40px;
  height: 100%;
  margin-left: -20px;
  cursor: ew-resize;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.slider-handle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 19px;
  width: 2px;
  height: 100%;
  background: var(--aqua);
}

.slider-handle i {
  position: relative;
  background: var(--aqua);
  color: var(--navy);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
  z-index: 2;
}

/* WHY US GRID */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px 20px;
}

.why-item {
  text-align: center;
}

.why-icon {
  font-size: 2.5rem;
  color: var(--aqua);
  margin-bottom: 20px;
}

.why-item h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  font-family: var(--font-secondary);
}

.why-item p {
  color: var(--text-gray);
}

/* TESTIMONIALS */
.testimonial-carousel {
  max-width: 800px;
  margin: 0 auto;
  padding: 50px;
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 20px;
  text-align: center;
}

.stars {
  color: #fb8500;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.quote {
  font-size: 1.3rem;
  font-style: italic;
  font-family: var(--font-secondary);
  line-height: 1.8;
  margin-bottom: 30px;
}

.testimonial-slide h4 {
  font-size: 1.1rem;
  color: var(--aqua);
}

.client-role {
  font-size: 0.85rem;
  color: var(--text-gray);
}

.carousel-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 30px;
}

.carousel-nav button {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.carousel-nav button:hover {
  background: var(--aqua);
  color: var(--navy);
  border-color: var(--aqua);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.dot.active {
  background: var(--aqua);
  transform: scale(1.2);
}

/* PROCESS TIMELINE */
.process-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50px;
  height: 100%;
  width: 2px;
  background: var(--glass-border);
}

.process-step {
  display: flex;
  align-items: flex-start;
  margin-bottom: 40px;
  position: relative;
}

.step-number {
  min-width: 60px;
  height: 60px;
  background: var(--navy);
  border: 2px solid var(--aqua);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--aqua);
  margin-right: 30px;
  margin-left: 20px;
  z-index: 2;
}

.step-content {
  padding: 30px;
  flex: 1;
}

.step-content h3 {
  color: var(--white);
  margin-bottom: 10px;
  font-family: var(--font-secondary);
}

.step-content p {
  color: var(--text-gray);
  font-size: 0.95rem;
}

/* FAQ */
.faq-container {
  max-width: 800px;
}

.faq-item {
  margin-bottom: 15px;
  overflow: hidden;
}

.faq-question {
  padding: 20px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question h3 {
  font-size: 1.1rem;
  font-weight: 500;
}

.faq-question i {
  color: var(--aqua);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  padding: 0 30px;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  color: var(--text-gray);
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 30px 20px;
}

/* CONTACT */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
}

.contact-details {
  margin-top: 40px;
}

.c-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 30px;
}

.c-item i {
  width: 50px;
  height: 50px;
  background: rgba(0, 180, 216, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--aqua);
  font-size: 1.2rem;
}

.c-item h4 {
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.c-item p {
  color: var(--text-gray);
}

.contact-form {
  padding: 40px;
}

.contact-form h3 {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  margin-bottom: 30px;
  text-align: center;
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: flex;
  gap: 20px;
}

.form-row .form-group {
  flex: 1;
}

input, select, textarea {
  width: 100%;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 15px;
  color: var(--white);
  font-family: var(--font-primary);
  outline: none;
  transition: var(--transition-smooth);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--aqua);
  background: rgba(0,0,0,0.4);
}

option {
  background: var(--navy);
  color: var(--white);
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--glass-border);
  padding-top: 80px;
  background: var(--black);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-gray);
  margin: 20px 0;
  max-width: 400px;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.social-links a:hover {
  background: var(--aqua);
  color: var(--navy);
}

.footer-links h4 {
  font-family: var(--font-secondary);
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--white);
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-gray);
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--aqua);
  padding-left: 5px;
}

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid var(--glass-border);
  color: var(--text-gray);
  font-size: 0.9rem;
}

/* FLOATING WHATSAPP */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
  z-index: 99;
  transition: var(--transition-smooth);
  animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* FLOATING AI ASSISTANT */
.ai-assistant-wrapper {
  position: fixed;
  bottom: 110px;
  right: 30px;
  z-index: 100;
}

.ai-toggle-btn {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--aqua), var(--aqua-dark));
  color: white;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 5px 20px rgba(0, 180, 216, 0.4);
  transition: var(--transition-smooth);
}

.ai-toggle-btn:hover {
  transform: scale(1.1);
}

.ai-chat-window {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 350px;
  height: 450px;
  display: flex;
  flex-direction: column;
  transform: scale(0);
  transform-origin: bottom right;
  opacity: 0;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.ai-chat-window.active {
  transform: scale(1);
  opacity: 1;
  pointer-events: all;
}

.ai-chat-header {
  padding: 15px 20px;
  background: rgba(0, 180, 216, 0.1);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 20px 20px 0 0;
}

.ai-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.ai-info i {
  color: var(--aqua);
}

#aiClose {
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  font-size: 1.2rem;
}

.ai-chat-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.ai-message {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 15px;
  font-size: 0.9rem;
}

.ai-message.ai {
  background: rgba(0, 180, 216, 0.2);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.ai-message.user {
  background: rgba(255, 255, 255, 0.1);
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.ai-chat-footer {
  padding: 15px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  gap: 10px;
}

.ai-chat-footer input {
  flex: 1;
  padding: 10px 15px;
  margin: 0;
}

.ai-chat-footer button {
  background: var(--aqua);
  border: none;
  width: 45px;
  border-radius: 8px;
  color: var(--navy);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.ai-chat-footer button:hover {
  background: #48cae4;
}

/* ANIMATIONS & REVEALS */
.text-reveal-container {
  overflow: hidden;
}

.reveal-text {
  transform: translateY(100px);
  opacity: 0;
  animation: revealUp 1s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes revealUp {
  to { transform: translateY(0); opacity: 1; }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.appear {
  opacity: 1;
  transform: translate(0);
}

/* RESPONSIVE DESIGN */
@media (max-width: 1200px) {
  .hero h1 { font-size: 4rem; }
  .section-padding { padding: 80px 0; }
  .about-container { gap: 40px; }
  .contact-container { gap: 40px; }
}

@media (max-width: 992px) {
  .hero h1 { font-size: 3.5rem; }
  .hero p { font-size: 1.1rem; }
  .about-container, .contact-container { grid-template-columns: 1fr; }
  .projects-gallery { grid-template-columns: 1fr; grid-auto-rows: 250px; }
  .project-large { grid-row: span 1; }
  .process-timeline::before { left: 30px; }
  .step-number { width: 40px; height: 40px; min-width: 40px; font-size: 1.2rem; margin-right: 20px; margin-left: 10px; }
  .footer-container { grid-template-columns: 1fr; text-align: center; gap: 30px; }
  .social-links { justify-content: center; }
  .contact-form { padding: 30px 20px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .hero h1 { font-size: 2.8rem; }
  .section-title { font-size: 2.2rem; }
  .form-row { flex-direction: column; gap: 0; }
  .trust-container { justify-content: space-between; }
  .trust-item { width: 45%; margin-bottom: 20px; }
  .ai-assistant-wrapper { right: 15px; bottom: 90px; }
  .floating-whatsapp { right: 15px; bottom: 15px; width: 50px; height: 50px; font-size: 1.5rem; }
  .ai-chat-window { right: -15px; bottom: 65px; width: 300px; height: 400px; }
  .ba-slider { height: 300px; }
  .experience-badge { padding: 20px 30px; right: 0; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; margin-bottom: 30px; }
  .hero-btns { flex-direction: column; width: 100%; gap: 10px; }
  .hero-btns .btn { width: 100%; text-align: center; }
  .section-title { font-size: 1.8rem; }
  .section-padding { padding: 60px 0; }
  .trust-item { width: 100%; }
  .about-list { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .ba-slider { height: 250px; }
  .ai-chat-window { width: 280px; right: -10px; }
}