:where([class^="ri-"])::before {
  content: "\f3c2";
}

/* Variables */
:root {
  --primary-color: #3b82f6;
  --secondary-color: #1e40af;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-900: #111827;
  --white: #fff;
  --button-radius: 8px;
  --default-radius: 8px;
  --lg-radius: 16px;
}

/* Reset and Base */
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--gray-900);
  background-color: var(--white);
}

/* Utility Classes */
.container {
  max-width: 1280px;
  padding: 0 1rem;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  border: none;
  border-radius: var(--button-radius);
  transition: all 0.3s ease;
}

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

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

.btn .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.5rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  z-index: 50;
  width: 100%;
  background-color: rgb(255, 255, 255, 95%);
  border-bottom: 1px solid var(--gray-100);
  backdrop-filter: blur(8px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  font-size: 2rem;
  font-style: italic;
  font-weight: bold;
  color: var(--gray-900);
}

.logo-accent {
  font-size: 1.2rem;
  color: var(--primary-color);
}

.nav {
  display: none;
  gap: 2rem;
}

.nav a {
  color: var(--gray-700);
  text-decoration: none;
  transition: color 0.3s ease;
}

.mobile-menu a {
  display: block;
  padding: 0.5rem 0;
  color: var(--gray-700);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.mobile-menu-btn {
  display: block;
  width: 2rem;
  height: 2rem;
  cursor: pointer;
  background: none;
  border: none;
}

.mobile-menu {
  display: none;
  padding: 0.5rem 1rem;
  background-color: var(--white);
  border-top: 1px solid var(--gray-100);
}

.mobile-menu a:hover {
  color: var(--primary-color);
}

.mobile-menu.show {
  display: block;
}

/* Hero Section */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100vh;
  background-image: url('https://images.pexels.com/photos/2115217/pexels-photo-2115217.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2');
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.hero::before {
  position: absolute;
  inset: 0;
  content: '';
  background: linear-gradient(to right, rgb(255, 255, 255, 90%), rgb(255, 255, 255, 70%), transparent);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 32rem;
}

.hero h2 {
  margin-bottom: 1.5rem;
  font-size: 3rem;
  font-weight: bold;
  line-height: 1.1;
}

.hero-accent {
  color: var(--primary-color);
}

.hero p {
  margin-bottom: 2rem;
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--gray-700);
}

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

.section-alt {
  background-color: var(--gray-50);
}

.section-header {
  margin-bottom: 4rem;
  text-align: center;
}

.section-header h3 {
  margin-bottom: 1rem;
  font-size: 2.5rem;
  font-weight: bold;
}

.section-header p {
  font-size: 1.25rem;
  color: var(--gray-600);
}

/* Grid */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Cards */
.card {
  padding: 2rem;
  background-color: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--default-radius);
  box-shadow: 0 1px 3px rgb(0, 0, 0, 10%);
  transition: box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: 0 4px 6px rgb(0, 0, 0, 10%);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: var(--primary-color);
  background-color: rgb(59, 130, 246, 10%);
  border-radius: var(--default-radius);
}

.card h4 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.card p {
  line-height: 1.6;
  color: var(--gray-600);
}

/* Skills Section */
.skill-category {
  text-align: center;
}

.skill-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.5rem;
  font-size: 1.875rem;
  color: var(--primary-color);
  background-color: rgb(59, 130, 246, 10%);
  border-radius: 50%;
}

.skill-category h4 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.skill-tag {
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  color: var(--gray-700);
  background-color: var(--gray-100);
  border-radius: 9999px;
}

/* Features Section */
.feature {
  text-align: center;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.5rem;
  font-size: 1.875rem;
  color: var(--primary-color);
  background-color: rgb(59, 130, 246, 10%);
  border-radius: 50%;
}

.feature h4 {
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.feature p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--gray-600);
}

/* Contact Form */
.contact-container {
  max-width: 64rem;
  padding: 0 1rem;
  margin: 0 auto;
}

.form {
  padding: 2rem;
  background-color: var(--gray-50);
  border-radius: var(--default-radius);
}

.form-row {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--default-radius);
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: transparent;
  box-shadow: 0 0 0 2px var(--primary-color);
}

.form-textarea {
  height: 9rem;
  resize: none;
}

.form-submit {
  margin-top: 2rem;
  text-align: center;
}

/* Footer */
.footer {
  padding: 2rem 0;
  background-color: var(--gray-900);
}

.footer-content {
  text-align: center;
}

.footer p {
  color: var(--gray-400);
}

/* Responsive Design */
@media (width >=768px) {
  .container {
    padding: 0 1.5rem;
  }

  .nav {
    display: flex;
  }

  .mobile-menu-btn {
    display: none;
  }

  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (width >=1024px) {
  .container {
    padding: 0 2rem;
  }

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (width <=767px) {
  .hero h2 {
    font-size: 2.5rem;
  }

  .section-header h3 {
    font-size: 2rem;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (width <=480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
}