:root {
  --primary: #222D48;
  --accent: #FF5514;
  --accent-hover: #e64d12;
  --text: #222D48;
  --text-light: #5a6578;
  --bg: #ffffff;
  --bg-alt: #f8f9fb;
  --border: #e2e6ed;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(34, 45, 72, 0.08);
  --font-heading: 'Poppins', system-ui, sans-serif;
  --font-body: 'Nunito Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

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

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  letter-spacing: -0.02em;
  color: var(--primary);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
  color: var(--primary);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  text-decoration: none;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: lowercase;
  transition: color 0.2s;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: 0.3s;
}

/* Hero */
.hero {
  padding: 80px 0 120px;
  background: linear-gradient(135deg, #f8f9fb 0%, #ffffff 100%);
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.tagline {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 520px;
  margin: 1.5rem 0 2rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.big-c {
  font-family: var(--font-heading);
  font-size: 280px;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.08;
  line-height: 1;
  user-select: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  text-transform: lowercase;
  transition: all 0.2s;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: var(--font-body);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.arrow {
  font-size: 1.1em;
}

/* Sections */
.section {
  padding: 100px 0;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 1rem;
}

.about-grid p {
  margin-bottom: 1.2rem;
  color: var(--text-light);
  font-size: 1.05rem;
}

.what-we-do {
  background: var(--bg-alt);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 2rem;
}

.feature-card {
  background: white;
  padding: 40px 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.2s;
}

.feature-card:hover {
  transform: translateY(-6px);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-light);
  margin-top: 0.5rem;
}

.blog {
  background: var(--bg);
}

.blog-card {
  background: var(--primary);
  color: white;
  padding: 60px 50px;
  border-radius: var(--radius);
  max-width: 700px;
  margin: 2rem auto 0;
  text-align: center;
}

.blog-card h3 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.blog-card p {
  opacity: 0.85;
  margin-bottom: 1.5rem;
}

.blog-card .btn-outline {
  color: white;
  border-color: white;
}

.blog-card .btn-outline:hover {
  background: white;
  color: var(--primary);
}

.contact {
  background: var(--bg-alt);
}

.contact-intro {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  max-width: 500px;
}

.contact-form {
  max-width: 560px;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.2s;
}

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

/* Footer */
.footer {
  background: var(--primary);
  color: white;
  padding: 40px 0;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.footer .logo-icon {
  background: white;
  color: var(--primary);
}

.copyright {
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .big-c {
    font-size: 180px;
  }
  .about-grid,
  .features {
    grid-template-columns: 1fr;
  }
  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    transition: 0.3s;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .menu-toggle {
    display: flex;
  }
  .blog-card {
    padding: 40px 24px;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 60px 0;
  }
  .hero {
    padding: 40px 0 60px;
  }
}