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

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray: #6b7280;
  --light: #f3f4f6;
  --accent: #3b82f6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

.content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 24px;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -1px;
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  color: var(--black);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.3s;
}

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

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: 0.3s;
}

/* Hero */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.label {
  display: inline-block;
  padding: 8px 16px;
  background: var(--black);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-text h1 {
  font-size: 72px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.hero-text p {
  font-size: 18px;
  color: var(--gray);
  margin-bottom: 40px;
  max-width: 500px;
}

.cta-btn {
  display: inline-block;
  padding: 16px 40px;
  background: var(--black);
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.hero-visual {
  position: relative;
  height: 500px;
}

.circle {
  position: absolute;
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.c1 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  top: 0;
  left: 0;
}

.c2 {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  bottom: 100px;
  right: 100px;
  animation-delay: -2s;
}

.c3 {
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  top: 150px;
  right: 0;
  animation-delay: -4s;
}

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

/* About */
.about-section {
  padding: 120px 0;
  background: var(--light);
}

.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
}

.split-layout h2 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
}

.right p {
  font-size: 18px;
  color: var(--gray);
  margin-bottom: 24px;
}

.metrics {
  display: flex;
  gap: 60px;
  margin-top: 48px;
}

.metric h3 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 8px;
}

.metric span {
  font-size: 14px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Services */
.services-section {
  padding: 120px 0;
}

.section-head {
  margin-bottom: 80px;
}

.section-head h2 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -1px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-item {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  gap: 40px;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: all 0.3s;
}

.service-item:hover {
  padding-left: 20px;
  background: var(--light);
}

.service-num {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray);
}

.service-content h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-content p {
  color: var(--gray);
  font-size: 16px;
}

.service-item i {
  color: var(--gray);
  transition: transform 0.3s;
}

.service-item:hover i {
  transform: translateX(10px);
}

/* Work */
.work-section {
  padding: 120px 0;
  background: var(--light);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.work-card {
  height: 400px;
  border-radius: 0;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s;
}

.work-card:hover {
  transform: scale(0.98);
}

.work-info {
  position: absolute;
  bottom: 40px;
  left: 40px;
  color: white;
}

.work-info h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.work-info span {
  font-size: 14px;
  opacity: 0.9;
}

/* Contact */
.contact-section {
  padding: 120px 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact-left h2 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 48px;
  letter-spacing: -1px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.detail {
  display: flex;
  gap: 20px;
}

.detail i {
  width: 40px;
  height: 40px;
  background: var(--black);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.detail strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}

.detail p {
  color: var(--gray);
  font-size: 14px;
  line-height: 1.6;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  padding: 16px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--black);
}

.submit-btn {
  padding: 16px;
  background: var(--black);
  color: var(--white);
  border: none;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s;
}

.submit-btn:hover {
  transform: translateY(-2px);
}

/* Footer */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 60px;
  margin-bottom: 60px;
}

.footer-grid h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

.footer-grid h4 {
  font-size: 14px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-grid p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

.footer-grid a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 12px;
  transition: color 0.3s;
}

.footer-grid a:hover {
  color: var(--white);
}

.social {
  display: flex;
  gap: 12px;
}

.social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}

.social a:hover {
  background: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    padding: 40px;
    transition: left 0.3s;
  }

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

  .menu-btn {
    display: flex;
  }

  .hero-grid,
  .split-layout,
  .contact-layout,
  .work-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-text h1 {
    font-size: 48px;
  }

  .hero-visual {
    height: 300px;
  }

  .c1 { width: 200px; height: 200px; }
  .c2 { width: 150px; height: 150px; }
  .c3 { width: 100px; height: 100px; }

  .split-layout h2,
  .section-head h2,
  .contact-left h2 {
    font-size: 36px;
  }

  .metrics {
    gap: 40px;
  }

  .service-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}