:root {
  --primary: #5a4ff3;
  --secondary: #00c6ae;
  --accent: #f9b234;
  --bg: #f8fafc;
  --bg-dark: #181a20;
  --text: #23272f;
  --text-light: #fff;
  --muted: #8b95a1;
  --border: #e5e7eb;
  --radius: 18px;
  --shadow: 0 4px 24px 0 rgba(90, 79, 243, 0.08);
  --font-main: "Inter", Arial, sans-serif;
  --font-head: "Montserrat", Arial, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  font-family: var(--font-main);
  color: var(--text);
  background: var(--bg);
  margin: 0;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}

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

.header {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary);
}

.logo-icon {
  font-size: 2rem;
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
  transition: right var(--transition);
}

.nav-link {
  font-weight: 600;
  color: var(--muted);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  transition: background var(--transition), color var(--transition);
  position: relative;
}

.nav-link.active,
.nav-link:hover {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: var(--text-light);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: 1rem;
}

.nav-toggle span {
  width: 28px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition);
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100vw;
    width: 70vw;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 2rem 2rem 2rem;
    gap: 1.5rem;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.08);
    z-index: 200;
    transition: right var(--transition);
  }
  .nav.active {
    right: 0;
  }
  .nav-link {
    color: var(--text-light);
    font-size: 1.2rem;
    width: 100%;
    text-align: left;
  }
  .nav-toggle {
    display: flex;
  }
}

.hero {
  background: linear-gradient(120deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--text-light);
  padding: 80px 0 40px 0;
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}

.hero-content {
  flex: 1 1 350px;
  z-index: 2;
}

.hero-content h1 {
  font-family: var(--font-head);
  font-size: 2.7rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: #e0e7ef;
}

.hero-art {
  flex: 1 1 350px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg-anim {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 60% 40%,
    var(--accent) 0%,
    transparent 70%
  );
  filter: blur(40px);
  z-index: 1;
  animation: heroGlow 6s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% {
    transform: scale(1) translateY(0);
  }
  100% {
    transform: scale(1.1) translateY(10px);
  }
}

.hero-img {
  width: 320px;
  height: 320px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 8px 32px rgba(90, 79, 243, 0.12);
  position: relative;
  z-index: 2;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: var(--text-light);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(90, 79, 243, 0.08);
  transition: background var(--transition), transform var(--transition);
}

.btn:hover {
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  transform: translateY(-2px) scale(1.03);
}

.section-title {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--primary);
  text-align: center;
}

.about {
  background: #fff;
  padding: 60px 0;
}

.about-container {
  display: flex;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.about-text {
  flex: 1 1 320px;
}

.about-text h2 {
  font-family: var(--font-head);
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.about-text p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
}

.about-list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--text);
}

.about-list li {
  margin-bottom: 0.5rem;
  padding-left: 1.2em;
  position: relative;
}

.about-list li::before {
  content: "✓";
  color: var(--secondary);
  position: absolute;
  left: 0;
}

.about-img-wrap {
  flex: 1 1 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-img {
  width: 320px;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(90, 79, 243, 0.08);
}

.services {
  background: #f4f6fa;
  padding: 60px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.service-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--border);
}

.service-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 32px rgba(90, 79, 243, 0.12);
}

.service-icon {
  color: var(--primary);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-head);
}

.service-card p {
  color: var(--muted);
  font-size: 1rem;
}

.portfolio {
  background: #fff;
  padding: 60px 0;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.portfolio-card {
  background: #f8fafc;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 32px rgba(90, 79, 243, 0.12);
}

.portfolio-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
}

.portfolio-info {
  padding: 1rem;
}

.portfolio-info h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
  color: var(--primary);
  font-family: var(--font-head);
}

.portfolio-info p {
  color: var(--muted);
  font-size: 0.97rem;
}

.testimonials {
  background: #f4f6fa;
  padding: 60px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.5rem;
  font-size: 1.1rem;
  color: var(--text);
  border: 1px solid var(--border);
  position: relative;
}

.testimonial-card::before {
  content: "“";
  font-size: 2.5rem;
  color: var(--primary);
  position: absolute;
  left: 1.2rem;
  top: 0.5rem;
  opacity: 0.15;
}

.testimonial-author {
  display: block;
  margin-top: 1.2rem;
  color: var(--secondary);
  font-weight: 600;
  font-size: 1rem;
}

.contact {
  background: #fff;
  padding: 60px 0;
}

.contact-container {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  align-items: flex-start;
}

.contact-info {
  flex: 1 1 300px;
}

.contact-info h2 {
  font-family: var(--font-head);
  color: var(--primary);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.contact-info ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-info li {
  margin-bottom: 0.7rem;
  font-size: 1rem;
}

.contact-form {
  flex: 1 1 320px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: #f8fafc;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.contact-form input,
.contact-form textarea {
  padding: 0.8rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 1rem;
  font-family: var(--font-main);
  background: #fff;
  resize: none;
  transition: border-color var(--transition);
}

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

.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 0;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem 0 1.5rem 0;
  border-bottom: 1px solid #23272f;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-light);
  font-size: 1rem;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.footer-nav a:hover {
  opacity: 1;
  color: var(--accent);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  color: var(--text-light);
  opacity: 0.7;
  transition: color var(--transition), opacity var(--transition);
  display: flex;
  align-items: center;
}

.footer-social a:hover {
  color: var(--accent);
  opacity: 1;
}

.footer-newsletter {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.footer-newsletter input {
  padding: 0.7rem 1rem;
  border-radius: 100px;
  border: none;
  font-size: 1rem;
  background: #23272f;
  color: var(--text-light);
  outline: none;
}

.footer-newsletter input::placeholder {
  color: #8b95a1;
}

.footer-newsletter button {
  padding: 0.7rem 1.5rem;
  border-radius: 100px;
  border: none;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: var(--text-light);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.footer-newsletter button:hover {
  background: linear-gradient(90deg, var(--secondary), var(--primary));
}

.footer-bottom {
  text-align: center;
  color: #8b95a1;
  font-size: 0.95rem;
  padding: 1rem 0;
}

@media (max-width: 900px) {
  .hero-container,
  .about-container,
  .contact-container,
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  .hero-art,
  .about-img-wrap {
    align-self: center;
  }
  .footer-container {
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .container {
    width: 96%;
  }
  .hero-content h1,
  .about-text h2,
  .contact-info h2,
  .section-title {
    font-size: 1.5rem;
  }
  .hero-img,
  .about-img {
    width: 180px;
    height: 180px;
  }
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
  }
}