/* ================================
   Web Development Portfolio
   ================================ */

:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --accent-color: #f59e0b;
  --dark-bg: #0f172a;
  --light-bg: #f8fafc;
  --text-dark: #1e293b;
  --text-light: #64748b;
  --border-color: #e2e8f0;
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: #ffffff;
}

/* ================================
   HEADER & NAVIGATION
   ================================ */

header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: #000000;
  text-decoration: none;
}

.logo img {
  height: 40px;
  width: auto;
  margin-right: 0.5rem;
}

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

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.3s ease;
}

nav a:hover {
  opacity: 0.8;
}

/* ================================
   HERO SECTION
   ================================ */

.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 100px 2rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  animation: fadeInDown 0.8s ease;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  padding: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.cta-button:hover {
  background: #f59e0b;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
}

.cta-button.secondary {
  background: transparent;
  border: 2px solid white;
  margin-left: 1rem;
}

.cta-button.secondary:hover {
  background: white;
  color: var(--primary-color);
}

/* ================================
   MAIN CONTENT AREA
   ================================ */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

section {
  margin-bottom: 4rem;
}

section h2 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-align: center;
}

section > p {
  font-size: 1.1rem;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 2rem;
}

/* ================================
   CARDS GRID
   ================================ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.card {
  background: var(--light-bg);
  border-radius: 10px;
  padding: 2rem;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.card p {
  color: var(--text-light);
  line-height: 1.8;
}

/* ================================
   SERVICES SECTION
   ================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-item {
  text-align: center;
  padding: 2rem;
}

.service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
}

/* ================================
   PRICING SECTION
   ================================ */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.pricing-card {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  transform: scale(1.05);
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.price span {
  font-size: 1rem;
  color: var(--text-light);
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}

.pricing-features li {
  padding: 0.5rem 0;
  color: var(--text-light);
  border-bottom: 1px solid var(--border-color);
}

.pricing-features li:before {
  content: "✓ ";
  color: var(--accent-color);
  font-weight: bold;
  margin-right: 0.5rem;
}

/* ================================
   TESTIMONIALS
   ================================ */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial {
  background: var(--light-bg);
  border-radius: 10px;
  padding: 2rem;
  border-left: 4px solid var(--primary-color);
}

.testimonial-header {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: center;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.5rem;
}

.testimonial-info h4 {
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.testimonial-info p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.stars {
  color: var(--accent-color);
  margin-bottom: 1rem;
}

/* ================================
   PORTFOLIO SECTION
   ================================ */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.portfolio-item:hover {
  transform: translateY(-5px);
}

.portfolio-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
}

.portfolio-info {
  padding: 1.5rem;
  background: white;
}

.portfolio-info h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.portfolio-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.tag {
  display: inline-block;
  background: var(--light-bg);
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
}

/* ================================
   BLOG SECTION
   ================================ */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.blog-post {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.blog-post:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.blog-image {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2.5rem;
}

.blog-content {
  padding: 1.5rem;
}

.blog-date {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.blog-post h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.read-more {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  transition: gap 0.3s ease;
}

.read-more:hover {
  gap: 1rem;
}

/* ================================
   CONTACT FORM
   ================================ */

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--light-bg);
  padding: 2rem;
  border-radius: 10px;
}

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

label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
  font-weight: 500;
}

input,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  width: 100%;
  padding: 0.75rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  border: none;
  border-radius: 5px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ================================
   FOOTER
   ================================ */

footer {
  background: var(--dark-bg);
  color: white;
  margin-top: 4rem;
  padding: 2rem;
  text-align: center;
}

footer p {
  opacity: 0.8;
  margin-bottom: 0.5rem;
}

.social-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

.social-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.3s ease;
}

.social-links a:hover {
  opacity: 0.7;
}

/* ================================
   ANIMATIONS
   ================================ */

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ================================
   RESPONSIVE
   ================================ */

@media (max-width: 768px) {
  nav ul {
    gap: 1rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  section h2 {
    font-size: 2rem;
  }

  .cta-button.secondary {
    margin-left: 0;
    margin-top: 1rem;
    display: block;
  }

  .pricing-card.featured {
    transform: scale(1);
  }
}

@media (max-width: 480px) {
  nav {
    flex-direction: column;
    gap: 1rem;
  }

  nav ul {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  main {
    padding: 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  section h2 {
    font-size: 1.5rem;
  }
}