/* ===== ULTRATHINK CSS VARIABLES ===== */
:root {
  /* Futuristic Color Palette */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --neural-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
  --accent-gradient: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);

  /* Neural Network Colors */
  --neural-primary: #667eea;
  --neural-secondary: #764ba2;
  --neural-accent: #4facfe;
  --neural-glow: rgba(102, 126, 234, 0.3);
  --neural-dark: #1a1d2e;
  --neural-light: #f8fafc;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-secondary: 'Merriweather', Georgia, serif;

  /* Spacing & Sizes */
  --section-padding: 5rem 0;
  --container-padding: 0 1.5rem;
  --border-radius: 20px;
  --border-radius-small: 12px;
  --border-radius-large: 30px;

  /* Effects */
  --neural-shadow: 0 20px 60px rgba(102, 126, 234, 0.15);
  --ultra-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
  --glow-effect: 0 0 30px rgba(102, 126, 234, 0.4);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  font-size: 18px;
}

body {
  font-family: var(--font-primary);
  line-height: 1.7;
  color: var(--neural-dark);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  overflow-x: hidden;
}

/* ===== NAVIGATION ULTRATHINK ===== */
.nav-ultrathink {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(102, 126, 234, 0.1);
  z-index: 1000;
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  position: relative;
  display: flex;
  align-items: center;
}

.logo-text {
  font-weight: 800;
  font-size: 1.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-pulse {
  width: 8px;
  height: 8px;
  background: var(--neural-accent);
  border-radius: 50%;
  margin-left: 10px;
  animation: pulse 2s infinite;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--neural-dark);
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width 0.3s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--neural-primary);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

/* ===== HERO ULTRATHINK ===== */
.hero-ultrathink {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  background: url('images/hero-bg.jpg') center/cover no-repeat;
  overflow: hidden;
}

.hero-ultrathink::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
  z-index: 1;
}

.hero-neural-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 70%, rgba(102, 126, 234, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(118, 75, 162, 0.3) 0%, transparent 50%);
  z-index: 2;
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.2), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.4), transparent);
  background-size: 100px 100px, 120px 120px, 80px 80px;
  animation: float 20s ease-in-out infinite;
  z-index: 2;
}

.hero-container {
  position: relative;
  z-index: 3;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--container-padding);
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  color: white;
  margin-bottom: 2rem;
  line-height: 1.2;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hero-description {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 3rem;
  line-height: 1.6;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.cta-button-ultra {
  position: relative;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius);
  padding: 1.5rem 2.5rem;
  color: white;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 600;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cta-button-ultra:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-effect);
  border-color: rgba(255, 255, 255, 0.5);
}

.cta-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: rotate 4s linear infinite;
}

.cta-text {
  font-size: 1rem;
}

.cta-number {
  font-size: 1.2rem;
  font-weight: 800;
}

.cta-info {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  width: 100%;
  max-width: 600px;
}

.stat-item {
  text-align: center;
  color: white;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-top: 0.5rem;
  display: block;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: white;
  opacity: 0.8;
  z-index: 3;
}

.scroll-line {
  width: 2px;
  height: 30px;
  background: white;
  margin-bottom: 10px;
  animation: scroll-pulse 2s infinite;
}

.scroll-text {
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== CONTAINER & SECTION STYLES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--container-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.2rem;
  color: rgba(26, 29, 46, 0.7);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.title-underline {
  width: 80px;
  height: 4px;
  background: var(--neural-gradient);
  margin: 0 auto;
  border-radius: 2px;
}

/* ===== SERVICES ULTRATHINK ===== */
.services-ultrathink {
  padding: var(--section-padding);
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.service-card-ultra {
  position: relative;
  background: white;
  border-radius: var(--border-radius);
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--neural-shadow);
  transition: var(--transition);
  overflow: hidden;
  border: 1px solid rgba(102, 126, 234, 0.1);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.card-icon-container {
  position: relative;
  margin-bottom: 1.5rem;
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 5px 15px rgba(102, 126, 234, 0.3));
}

.icon-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border: 2px solid var(--neural-accent);
  border-radius: 50%;
  opacity: 0.3;
  animation: pulse-ring 2s infinite;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neural-dark);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.card-description {
  color: rgba(26, 29, 46, 0.7);
  line-height: 1.6;
  font-size: 1rem;
  flex-grow: 1;
  display: flex;
  align-items: center;
}

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.05) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card-ultra:hover .card-glow {
  opacity: 1;
}

/* ===== ABOUT ULTRATHINK ===== */
.about-ultrathink {
  padding: var(--section-padding);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.about-ultrathink .section-title {
  color: white;
  background: none;
  -webkit-text-fill-color: white;
}

.about-ultrathink .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.about-card-ultra {
  position: relative;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 3rem 2rem;
  text-align: center;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-card-ultra:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.15);
}

.about-card-ultra .card-title {
  color: white;
}

.about-card-ultra .card-description {
  color: rgba(255, 255, 255, 0.8);
  flex-grow: 1;
  display: flex;
  align-items: center;
}

/* ===== GALLERY ULTRATHINK ===== */
.gallery-ultrathink {
  padding: var(--section-padding);
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.gallery-item-ultra {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  transition: var(--transition);
  box-shadow: var(--neural-shadow);
}

.gallery-item-ultra:hover {
  transform: scale(1.05);
  box-shadow: var(--ultra-shadow);
}

.gallery-item-ultra img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item-ultra:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: 2rem 1.5rem 1.5rem;
  color: white;
  opacity: 0;
  transition: var(--transition);
}

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

.gallery-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.gallery-content p {
  font-size: 0.9rem;
  opacity: 0.8;
}

.image-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(102, 126, 234, 0.3) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item-ultra:hover .image-glow {
  opacity: 1;
}

.gallery-disclaimer {
  text-align: center;
  margin-top: 2rem;
  color: rgba(26, 29, 46, 0.6);
  font-style: italic;
}

/* ===== JOURNEY ULTRATHINK ===== */
.journey-ultrathink {
  padding: var(--section-padding);
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.journey-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-item:last-child .timeline-connector {
  display: none;
}

.timeline-icon {
  position: relative;
  min-width: 80px;
  height: 80px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 2rem;
  box-shadow: var(--neural-shadow);
  z-index: 2;
}

.step-number {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.icon-glow {
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border: 2px solid var(--neural-accent);
  border-radius: 50%;
  opacity: 0.3;
  animation: pulse-ring 3s infinite;
}

.timeline-content {
  flex: 1;
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--neural-shadow);
}

.timeline-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--neural-dark);
  margin-bottom: 0.8rem;
}

.timeline-content p {
  color: rgba(26, 29, 46, 0.7);
  line-height: 1.6;
}

.timeline-connector {
  position: absolute;
  left: 39px;
  top: 80px;
  width: 2px;
  height: 60px;
  background: linear-gradient(to bottom, var(--neural-accent), transparent);
  z-index: 1;
}

/* ===== FAQ ULTRATHINK ===== */
.faq-ultrathink {
  padding: var(--section-padding);
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  box-shadow: var(--neural-shadow);
  overflow: hidden;
  border: 1px solid rgba(102, 126, 234, 0.1);
}

.faq-question {
  padding: 2rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--neural-dark);
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(102, 126, 234, 0.05);
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  transition: var(--transition);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  background: transparent;
}

.faq-answer p {
  padding: 1rem 2rem 2rem;
  color: rgba(26, 29, 46, 0.7);
  line-height: 1.6;
  margin: 0;
  font-size: 1rem;
}

.faq-item.active .faq-answer {
  max-height: 500px !important; /* Force override */
  overflow: hidden;
}

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

/* ===== CONTACT ULTRATHINK ===== */
.contact-ultrathink {
  padding: var(--section-padding);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.contact-ultrathink .section-title {
  color: white;
  background: none;
  -webkit-text-fill-color: white;
}

.contact-ultrathink .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.contact-card-ultra {
  position: relative;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 2.5rem 2rem;
  text-align: center;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
}

.contact-card-ultra:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
}

.contact-card-ultra .card-title {
  color: white;
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.contact-button {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius-small);
  padding: 1rem 1.5rem;
  color: white;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.contact-button:hover {
  background: rgba(255, 255, 255, 0.3);
}

.contact-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
}

.contact-description {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.contact-disclaimer {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.map-container {
  margin-top: 3rem;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--ultra-shadow);
}

/* ===== FOOTER ULTRATHINK ===== */
.footer-ultrathink {
  background: var(--neural-dark);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: var(--neural-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

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

.footer-links a:hover {
  color: var(--neural-accent);
}

.footer-phone {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-small);
  padding: 1rem 1.5rem;
  color: white;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  width: fit-content;
}

.footer-phone:hover {
  background: rgba(255, 255, 255, 0.2);
}

.footer-disclaimer {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
}

.footer-legal p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== MODAL ULTRATHINK ===== */
.modal-ultrathink {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--ultra-shadow);
  max-width: 500px;
  width: 90%;
  overflow: hidden;
}

.modal-header {
  background: var(--primary-gradient);
  color: white;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
}

.modal-close {
  font-size: 1.5rem;
  cursor: pointer;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-body {
  padding: 2rem;
  max-height: 400px;
  overflow-y: auto;
}

.modal-body h4 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 600;
}

.modal-body p {
  margin-bottom: 1rem;
  line-height: 1.6;
  color: rgba(26, 29, 46, 0.8);
}

.modal-body strong {
  color: var(--text-primary);
  font-weight: 600;
}

.modal-body a {
  color: #667eea;
  text-decoration: underline;
}

.modal-body a:hover {
  color: #5a67d8;
}

.modal-footer {
  padding: 1rem 2rem 2rem;
  text-align: center;
}

.modal-button {
  background: var(--primary-gradient);
  border: none;
  border-radius: var(--border-radius-small);
  color: white;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.modal-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* ===== ANIMATIONS ===== */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

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

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

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 0.3; }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 2rem;
    transition: left 0.3s ease;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3.5rem);
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .services-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .timeline-item {
    flex-direction: column;
    text-align: center;
  }

  .timeline-icon {
    margin-right: 0;
    margin-bottom: 1rem;
  }

  .timeline-connector {
    display: none;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .service-card-ultra,
  .about-card-ultra {
    padding: 2rem 1.5rem;
    min-height: auto;
  }

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

  .cta-button-ultra {
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.2rem 2rem;
  }

  .modal-content {
    width: 95%;
    margin: 0 1rem;
  }
}