/* Base Variables & Reset */
:root {
  --primary-color: #ff5a00;
  --black: #111111;
  --white: #ffffff;
  --gray-light: #f4f4f5;
  --gray-dark: #333333;
  --font-main: 'Inter', sans-serif;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--black);
  background-color: var(--white);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

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

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

/* Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo img {
  height: 40px;
}

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

.nav-links li a {
  font-weight: 500;
  color: var(--black);
}

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

.hamburger {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
}

/* Hero Section */
.hero {
  padding: 150px 0 100px;
  background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

/* Subtle geometric background */
.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,106,0,0.05) 0%, transparent 70%);
  z-index: 0;
}

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

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.25rem;
  color: var(--gray-dark);
  margin-bottom: 2.5rem;
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.btn {
  padding: 0.8rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
}

.btn-primary:hover {
  background-color: #e05e00;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 106, 0, 0.3);
}

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

.btn-secondary:hover {
  background-color: var(--black);
  color: var(--white);
}

/* Sections */
section {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  font-size: 1.15rem;
  color: var(--gray-dark);
  max-width: 800px;
  margin: 0 auto 3.5rem auto;
  line-height: 1.6;
}

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

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--gray-dark);
  margin-bottom: 1rem;
}

.about-visual {
  background: var(--gray-light);
  height: 400px;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual::after {
  content: '';
  width: 200px;
  height: 200px;
  background: var(--primary-color);
  opacity: 0.1;
  transform: rotate(45deg);
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  border-color: rgba(255, 106, 0, 0.3);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  margin-bottom: 1rem;
}

/* Pipeline */
.pipeline {
  background-color: var(--black);
  color: var(--white);
}

.pipeline .section-title {
  color: var(--white);
}

.timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-top: 3rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255,255,255,0.2);
  z-index: 1;
}

.timeline-step {
  position: relative;
  z-index: 2;
  text-align: center;
  flex: 1;
}

.step-icon {
  width: 60px;
  height: 60px;
  background: var(--black);
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--primary-color);
}

/* Community */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  text-align: center;
}

.community-item {
  padding: 2rem;
  background: var(--gray-light);
  border-radius: 8px;
  font-weight: 500;
}

/* Contact */
.contact {
  background: var(--gray-light);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-family: var(--font-main);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255,106,0,0.1);
}

/* Footer */
footer {
  background: var(--black);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-logo img {
  height: 40px;
  filter: brightness(0) invert(1);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  list-style: none;
}

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

.footer-contact {
  text-align: right;
  color: #aaa;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #666;
  font-size: 0.9rem;
}

/* Mobile Breakpoints */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 1rem 0;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  }
  
  .nav-links.active {
    display: flex;
    align-items: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-visual {
    height: 300px;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline {
    flex-direction: column;
    gap: 2rem;
  }
  
  .timeline::before {
    top: 0;
    left: 30px;
    width: 2px;
    height: 100%;
  }
  
  .timeline-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
  }
  
  .step-icon {
    margin: 0;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  
  .footer-contact {
    text-align: center;
  }
}