:root {
  --bg-primary: #0f1219;
  --bg-secondary: #151921;
  --bg-card: #1a1f2e;
  --text-primary: #f0f4f8;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #14b8a6;
  --accent-light: hsl(172, 66%, 50%);
  --accent-dark: #0d9488;
  --border: #2a3142;
  --gradient-accent: linear-gradient(135deg, #14b8a6, #0d9488);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  line-height: 1.2;
}

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

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}


#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.3s ease;
  background: transparent;
}

#header.scrolled {
  background: rgba(15, 18, 25, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}

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

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

.logo-img {
  height: 36px;
  width: auto;
  filter: invert(1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

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

.nav-cta {
  background: var(--accent);
  color: var(--bg-primary) !important;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  transition: all 0.3s ease !important;
}

.nav-cta:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}

.nav-cta::after {
  display: none !important;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}


.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 6rem 1.5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(20, 184, 166, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(20, 184, 166, 0.1) 0%, transparent 50%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(20, 184, 166, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}


section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.section-tag {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 1rem;
}

.section-description {
  color: var(--text-secondary);
  font-size: 1.05rem;
}


.projects {
  background: var(--bg-secondary);
}

.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.25rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: white;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 18, 25, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-link {
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: var(--bg-primary);
  border-radius: 8px;
  font-weight: 600;
  transition: transform 0.3s ease;
}

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

.project-content {
  padding: 1.5rem;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.project-tags span {
  padding: 0.25rem 0.75rem;
  background: rgba(20, 184, 166, 0.1);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--accent);
}

.project-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.project-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.project-result {
  color: var(--accent) !important;
  font-weight: 500;
}


.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.skill-category:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.skill-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.skill-icon.design {
  background: rgba(236, 72, 153, 0.15);
  color: #ec4899;
}

.skill-icon.dev {
  background: rgba(99, 102, 241, 0.15);
  color: #6366f1;
}

.skill-icon.tools {
  background: rgba(20, 184, 166, 0.15);
  color: var(--accent);
}

.skill-category h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skill-list li {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-list span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.skill-bar {
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 10px;
  overflow: hidden;
}

.skill-bar div {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 10px;
  transition: width 1s ease;
}


.process {
  background: var(--bg-secondary);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  transition: all 0.3s ease;
}

.process-step:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

.step-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

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


.testimonials-slider {
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}

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

.testimonial-card {
  min-width: 100%;
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
}

.testimonial-rating {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  color: #fbbf24;
}

.testimonial-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 2rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--bg-primary);
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-info strong {
  font-size: 1rem;
}

.author-info span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.testimonial-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-primary);
}

.testimonial-dots {
  display: flex;
  gap: 0.5rem;
}

.testimonial-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all 0.3s ease;
}

.testimonial-dots .dot.active {
  background: var(--accent);
  width: 30px;
  border-radius: 5px;
}

.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-placeholder {
  aspect-ratio: 1;
  background: color(#0f1219);
  border: 1px solid var(--border);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

.about-logo {
  width: 80%;
  filter: invert(1);
  opacity: 0.8;
}

.floating-stat {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.floating-stat .stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.floating-stat span:last-child {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stat-1 {
  top: 10%;
  right: -20px;
}

.stat-2 {
  bottom: 15%;
  left: -20px;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: 1.5rem;
}

.about-content .section-tag {
  margin-bottom: 1rem;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 2rem 0;
}

.highlight {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
}

.highlight svg {
  color: var(--accent);
  flex-shrink: 0;
}


.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info .section-title {
  text-align: left;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.contact-method:hover {
  border-color: var(--accent);
  transform: translateX(8px);
}

.method-icon {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 184, 166, 0.15);
  color: var(--accent);
}

.method-icon.whatsapp {
  background: rgba(37, 211, 102, 0.15);
  color: #25d366;
}

.method-icon.linkedin {
  background: rgba(0, 119, 181, 0.15);
  color: #0077b5;
}

.method-info {
  display: flex;
  flex-direction: column;
}

.method-info strong {
  font-size: 0.9rem;
}

.method-info span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all 0.3s ease;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}


.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo .logo-img {
  height: 32px;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-primary);
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-column a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}


@media (max-width: 1024px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-image {
    max-width: 400px;
    margin: 0 auto;
  }

  .about-content .section-title,
  .contact-info .section-title {
    text-align: center;
  }

  .about-content .section-tag {
    display: block;
    text-align: center;
  }

  .about-highlights {
    align-items: center;
  }

  .about-content .btn {
    display: flex;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-stats {
    gap: 2rem;
  }

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

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

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

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

  .footer-brand {
    max-width: 100%;
  }

  .social-links {
    justify-content: center;
  }

  .footer-links {
    justify-content: center;
    gap: 3rem;
  }

  .floating-stat {
    display: none;
  }

  section {
    padding: 4rem 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .project-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }

  .contact-form {
    padding: 1.5rem;
  }
}


@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.project-card.hidden {
  display: none;
}