/*!
 * Start Bootstrap - Grayscale v7.0.6 (https://startbootstrap.com/theme/grayscale)
 * Copyright 2013-2023 Start Bootstrap
 * Licensed under MIT (https://github.com/StartBootstrap/startbootstrap-grayscale/blob/master/LICENSE)
 */

:root {
  --bs-primary: #64a19d;
  --bs-secondary: #6c757d;
  --bs-success: #198754;
  --bs-info: #0dcaf0;
  --bs-warning: #ffc107;
  --bs-danger: #dc3545;
  --bs-light: #f8f9fa;
  --bs-dark: #212529;
}

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  letter-spacing: 0.0625em;
  color: #212529;
}

/* Navigation */
.navbar-brand {
  text-transform: uppercase;
  font-size: 1.1rem;
  letter-spacing: 0.0625em;
  font-weight: 700;
}

.navbar-nav .nav-item .nav-link {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.0625em;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
}

.navbar-nav .nav-item .nav-link.active,
.navbar-nav .nav-item .nav-link:hover {
  color: #64a19d;
}

/* Masthead */
.masthead {
  position: relative;
  width: 100%;
  height: auto;
  min-height: 35rem;
  padding: 15rem 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.7) 75%, #000 100%);
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: scroll;
  background-size: cover;
  overflow: hidden;
}

.masthead h1,
.masthead .h1 {
  font-family: 'Varela Round', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-size: 2.5rem;
  line-height: 2.5rem;
  letter-spacing: 0.8rem;
  background: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0));
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
}

.masthead h2,
.masthead .h2 {
  max-width: 20rem;
  font-size: 1rem;
}

@media (min-width: 768px) {
  .masthead h1,
  .masthead .h1 {
    font-size: 4rem;
    line-height: 4rem;
  }
}

@media (min-width: 992px) {
  .masthead {
    height: 100vh;
    padding: 0;
  }
  .masthead h1,
  .masthead .h1 {
    font-size: 6.5rem;
    line-height: 6.5rem;
    letter-spacing: 0.8rem;
  }
  .masthead h2,
  .masthead .h2 {
    max-width: 30rem;
    font-size: 1.25rem;
  }
}

/* Buttons */
.btn {
  box-shadow: 0 0.1875rem 0.1875rem 0 rgba(0, 0, 0, 0.1) !important;
  padding: 1.25rem 2rem;
  font-family: 'Varela Round', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-size: 80%;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  border: 0;
}

.btn-primary {
  background-color: #64a19d;
  border-color: #64a19d;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: #549994;
  border-color: #549994;
}

/* About Section */
.about-section {
  padding-top: 10rem;
  background: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.9) 75%, rgba(0, 0, 0, 0.8) 100%);
}

.about-section p {
  margin-bottom: 5rem;
}

/* Projects Section */
.projects-section {
  padding: 10rem 0;
}

.projects-section .featured-text {
  padding: 2rem;
}

@media (min-width: 992px) {
  .projects-section .featured-text {
    padding: 0 0 0 2rem;
    border-left: 0.5rem solid #64a19d;
  }
}

.projects-section .project-text {
  padding: 3rem;
  font-size: 90%;
}

@media (min-width: 992px) {
  .projects-section .project-text {
    padding: 5rem;
  }
  .projects-section .project-text hr {
    border-color: #64a19d;
    border-width: 0.25rem;
    width: 30%;
  }
}

.projects-section .project-text .project-title {
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
}

/* Signup Section */
.signup-section {
  padding: 10rem 0;
  background: linear-gradient(135deg, #2c3e50 0%, #64a19d 50%, #000 100%);
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: scroll;
  background-size: cover;
}

.signup-section .form-signup input {
  box-shadow: 0 0.1875rem 0.1875rem 0 rgba(0, 0, 0, 0.1) !important;
  padding: 1.25rem 2rem;
  height: auto;
  font-family: 'Varela Round', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-size: 80%;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  border: 0;
}

/* Contact Section */
.contact-section {
  padding: 5rem 0 0;
}

.contact-section .card {
  border: 0;
  border-bottom: 0.25rem solid #64a19d;
}

.contact-section .card h4 {
  font-size: 0.8rem;
  font-family: 'Varela Round', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
}

.contact-section .card hr {
  border-color: #64a19d;
  border-width: 0.25rem;
  width: 3rem;
}

/* Footer */
.footer {
  padding: 5rem 0;
}

/* Social Icons */
.social {
  text-align: center;
}

.social a {
  display: inline-block;
  height: 3.5rem;
  width: 3.5rem;
  background-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  border-radius: 100%;
  text-align: center;
  line-height: 3.5rem;
  margin-right: 1rem;
}

.social a:last-child {
  margin-right: 0;
}

.social a:hover {
  background-color: #64a19d;
  color: white;
}

/* Background Colors */
.bg-black {
  background-color: #000 !important;
}

.bg-primary {
  background-color: #64a19d !important;
}

/* Text Colors */
.text-primary {
  color: #64a19d !important;
}

.text-white-50 {
  color: rgba(255, 255, 255, 0.5) !important;
}

/* Utilities */
.font-weight-light {
  font-weight: 300 !important;
}

.font-alt {
  font-family: 'Varela Round', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
}

/* Responsive Images */
.img-fluid {
  max-width: 100%;
  height: auto;
}

/* Custom Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 40px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Overlay Effects */
.bg-overlay {
  background-color: rgba(0, 0, 0, 0.5);
}

.bg-gradient-primary-to-secondary {
  background: linear-gradient(135deg, #64a19d 0%, #549994 100%);
}

/* Custom Spacing */
.py-10 {
  padding-top: 6rem !important;
  padding-bottom: 6rem !important;
}

.my-10 {
  margin-top: 6rem !important;
  margin-bottom: 6rem !important;
}

/* Responsive Typography */
@media (max-width: 767.98px) {
  .display-1 {
    font-size: 3rem;
  }
  
  .display-2 {
    font-size: 2.5rem;
  }
  
  .display-3 {
    font-size: 2rem;
  }
}