/* Foundation */

:root {
  --background: #ffffff;
  --text: #171717;
  --text-muted: #737373;
  --border: #e5e5e5;

  --font-main: "Inter", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--background);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* Navbar */

.portfolio-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.65rem 0;
  background: var(--background);
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-name {
  color: var(--text);
}

.brand-divider {
  color: var(--text-muted);
  margin: 0 0.35em;
  font-family: var(--font-main);
  font-size: 1.2em;
  line-height: 1;
}

.brand-portfolio {
  color: var(--text-muted);
}

.nav-link {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 180ms ease;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--text);
}

/* Mobile navigation */

.navbar-toggler {
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: none !important;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  width: 1.2rem;
  height: 1.2rem;
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    padding-top: 0.75rem;
  }

  .navbar-nav {
    align-items: flex-end !important;
    gap: 0.25rem;
  }
}

/* hero section */

.stack-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 100px 24px;
}

.stack-intro {
  max-width: 760px;
  margin-bottom: 36px;
}

.stack-intro h1 {
  color: var(--text);
  font-family: var(--font-main);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.2;
  margin: 0;
}

.stack-intro p {
  color: var(--text-muted);
  font-size: 1rem;
  margin: 18px 0 0;
}

.technology-list {
  border-top: 1px solid var(--border);
}

.technology-row {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.technology-icon {
  flex: 0 0 28px;
  width: 28px;
  font-size: 2rem;
  color: var(--text);
  margin-top: 2px;
}

.technology-content {
  min-width: 0;
}

.technology-content h2 {
  color: var(--text);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 5px;
}

.technology-content p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.5;
  margin: 0 0 7px;
}

.technology-projects {
  color: var(--text-muted);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

@media (max-width: 600px) {
  .stack-section {
    padding: 72px 20px;
  }

  .technology-row {
    gap: 14px;
    padding: 18px 0;
  }

  .technology-icon {
    flex-basis: 24px;
    width: 24px;
    font-size: 1.45rem;
  }
}

.projects-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 100px 24px;
}

.project {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.project-heading {
  margin-bottom: 28px;
}

.project-heading h2 {
  color: var(--text);
  font-family: var(--font-main);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  margin: 0 0 8px;
}

.project-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin: 0;
}

.project-lead {
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
  margin: 16px 0 0;
}

/* Two screenshots side by side */
.project-screenshots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}

.project-screenshots img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: #f5f5f5;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.project-image-link {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
}

.project-image-link img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: #f5f5f5;
  transition: opacity 180ms ease;
}

.image-link-label {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #ffffff;
  color: var(--text);
  font-size: 0.8rem;
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.project-image-link:hover .image-link-label,
.project-image-link:focus-visible .image-link-label {
  opacity: 1;
  transform: translateY(0);
}

.project-image-link:hover img {
  opacity: 0.85;
}

.project-image-link:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

@media (hover: none) {
  .image-link-label {
    opacity: 1;
    transform: none;
  }
}

/* Main project text */
.project-content {
  max-width: 850px;
}

.project-content > p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0 0 22px;
}

.project-flow {
  color: var(--text) !important;
  font-size: 0.95rem !important;
  font-weight: 500;
  line-height: 1.9 !important;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.project-flow span {
  color: var(--text-muted);
  padding: 0 4px;
}

.project-detail {
  margin: 32px 0;
}

.project-detail h3 {
  color: var(--text);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 10px;
}

.project-detail p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0;
}

.project-tech {
  color: var(--text) !important;
}

/* Source code and Terraform buttons */
.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.project-button {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 11px 16px;
  border: 1px solid var(--text);
  border-radius: 4px;
  color: var(--text);
  background: transparent;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    background-color 180ms ease,
    color 180ms ease;
}

.project-button:hover {
  background: var(--text);
  color: #ffffff;
}

.project-button span {
  font-size: 1rem;
}

/* Deployment status */
.project-status {
  color: var(--text-muted);
  font-size: 0.85rem !important;
  font-style: italic;
  margin-top: 24px !important;
}

/* Mobile */
@media (max-width: 600px) {
  .projects-section {
    padding: 72px 20px;
  }

  .project {
    padding: 36px 0;
  }

  .project-screenshots {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 28px;
  }

  .project-heading h2 {
    font-size: 1.25rem;
  }

  .project-flow {
    font-size: 0.9rem !important;
  }

  .project-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Contact section */

.contact-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

.contact-email {
  display: inline-block;
  margin: 32px 0;
  color: var(--text);
  font-size: 2rem;
  font-weight: 600;
  text-decoration: none;
}

.contact-email:hover {
  color: var(--text-muted);
}

.contact-ending {
  margin: 100px 0 0;
  color: var(--text);
  font-size: clamp(2.5rem, 7vw, 6rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1.05;
}

/* Closing footer */

.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px 32px;
  display: flex;
  justify-content: flex-end;
}

.site-footer p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .contact-section {
    padding: 24px 20px;
  }

  .contact-email {
    font-size: 1.5rem;
  }

  .contact-ending {
    margin-top: 72px;
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .site-footer {
    padding: 16px 20px 24px;
  }
}