@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --accent: #1e40af;
  --bg-body: #ffffff;
  --bg-section: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-white: #ffffff;
  --btn-bg: #2563eb;
  --btn-hover: #1d4ed8;
  --border: #e2e8f0;
  --border-radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-width: 1200px;
  --header-height: 80px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Layout */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

.section-bg {
  background-color: var(--bg-section);
}

/* Navigation */
nav {
  height: var(--header-height);
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  transition: var(--transition);
  display: flex;
  align-items: center;
  background: transparent;
}

nav.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  height: 70px;
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

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

.nav-cta {
  background: var(--btn-bg);
  color: var(--text-white);
  padding: 10px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  border: 1px solid var(--btn-bg);
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
  background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.05), transparent 40%),
              radial-gradient(circle at bottom left, rgba(124, 58, 237, 0.05), transparent 40%);
}

.hero-content {
  flex: 1;
}

.hero-tagline {
  color: var(--primary);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 16px;
  display: block;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
  color: var(--text-main);
  margin-bottom: 24px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 40px;
}

.hero-btns {
  display: flex;
  gap: 20px;
}

.btn {
  padding: 12px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  display: inline-block;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--btn-hover);
  border-color: var(--btn-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.1);
}

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

.btn-outline:hover {
  background: rgba(37, 99, 235, 0.05);
  transform: translateY(-3px);
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  position: relative;
}

.hero-image img {
  width: 100%;
  max-width: 600px;
  animation: float 6s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

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

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--text-main);
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* Cards & Grids */
.page-header {
  padding: 150px 0 80px;
  text-align: center;
  background: var(--bg-section);
  border-bottom: 1px solid var(--border);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 40px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: rgba(37, 99, 235, 0.05);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--primary);
  font-size: 24px;
}

.card h3 {
  font-size: 1.5rem;
  color: var(--text-main);
  margin-bottom: 16px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Testimonials */
.testimonial-card {
  border: none;
  background: var(--bg-section);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
  color: var(--text-main);
}

/* Contact Form */
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    color: var(--text-main);
    font-family: inherit;
    transition: var(--transition);
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

/* Footer */
footer {
  background: #0f172a;
  padding: 80px 0 30px;
  color: #94a3b8;
}

footer .logo, footer .footer-links h4 {
  color: #ffffff;
}

footer .logo span {
  color: var(--primary);
}

.footer-links ul li a {
  color: #94a3b8;
}

.footer-links ul li a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #64748b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-links h4 {
  color: #ffffff;
  margin-bottom: 24px;
  font-size: 1.2rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links ul li a {
  color: #94a3b8;
  transition: var(--transition);
}

.footer-links ul li a:hover {
  color: #ffffff;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 25px;
}

.social-links a {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #ffffff;
  transition: var(--transition);
  text-decoration: none;
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-3px);
  color: #ffffff;
}

.social-links a i, .social-links a svg {
  width: 20px;
  height: 20px;
}

footer .logo, footer .footer-links h4 {
  color: #ffffff;
}

footer .logo span {
  color: var(--primary);
}

.footer-links ul li a {
  color: #94a3b8;
}

.footer-links ul li a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile Responsive */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-main);
  margin: 5px 0;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

@media (max-width: 992px) {
  .hero {
    flex-direction: column;
    text-align: center;
    height: auto;
    padding-top: 120px;
    padding-bottom: 60px;
  }
  
  .hero-btns {
    justify-content: center;
  }
  
  .hero-image {
    margin-top: 60px;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--bg-body);
    flex-direction: column;
    padding: 100px 40px;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    transition: var(--transition);
    z-index: 1000;
  }

  .nav-links.show {
    right: 0;
  }

  .nav-cta {
    display: none;
  }
  
  section {
    padding: 60px 0;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}