/* ========================================
   MONOGRID BRUTALIST - CSS
   High Contrast | Hard Grid | Sharp Edges
   ======================================== */

/* ---------- VARIABLES ---------- */
:root {
  --bg-primary: #FFFFFF;
  --bg-invert: #000000;
  --text-primary: #000000;
  --text-secondary: #333333;
  --text-invert: #FFFFFF;
  --accent: #FF3B30;
  --accent-alt: #0057FF;
  --border: #000000;
  --border-width: 2px;
  --border-width-thick: 4px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-xxl: 8rem;
  --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --transition: 200ms ease;
}

/* ---------- BASE RESET ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- TYPOGRAPHY ---------- */
.heading-hero {
  font-size: clamp(3rem, 12vw, 10rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.heading-section {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.heading-block {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.text-body {
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
}

.text-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.text-accent {
  color: var(--accent);
}

/* ---------- LAYOUT ---------- */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
  border-bottom: var(--border-width-thick) solid var(--border);
}

.section:last-child {
  border-bottom: none;
}

/* ---------- GRID SYSTEM ---------- */
.grid {
  display: grid;
  gap: var(--space-md);
}

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

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

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

/* ---------- COMPONENTS ---------- */

/* Border Box */
.border-box {
  border: var(--border-width) solid var(--border);
  padding: var(--space-md);
}

.border-box-thick {
  border: var(--border-width-thick) solid var(--border);
  padding: var(--space-md);
}

/* Divider */
.divider {
  width: 100%;
  height: var(--border-width-thick);
  background-color: var(--border);
  margin: var(--space-md) 0;
}

.divider-thin {
  height: var(--border-width);
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: var(--border-width) solid var(--border);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
}

.btn:hover {
  background-color: var(--bg-invert);
  color: var(--text-invert);
}

.btn-accent:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--text-invert);
}

/* Social Icons Container */
.social-box {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border: var(--border-width) solid var(--border);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 1.25rem;
  border: var(--border-width) solid var(--border);
  transition: all var(--transition);
}

.social-link:hover {
  background-color: var(--bg-invert);
  color: var(--text-invert);
}

/* ---------- HERO SECTION ---------- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0;
  border-bottom: var(--border-width-thick) solid var(--border);
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-lg);
  border-right: var(--border-width-thick) solid var(--border);
}

.hero-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-name {
  margin-bottom: var(--space-sm);
}

.hero-title {
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.hero-bio {
  max-width: 600px;
  margin-bottom: var(--space-md);
}

.hero-cta {
  margin-top: var(--space-md);
}

.hero-sidebar {
  width: 300px;
  display: flex;
  flex-direction: column;
}

.hero-avatar-container {
  flex: 1;
  border-bottom: var(--border-width-thick) solid var(--border);
  overflow: hidden;
}

.hero-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.2);
}

.hero-social {
  padding: var(--space-md);
}

/* ---------- PROJECTS SECTION ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.project-card {
  border: var(--border-width-thick) solid var(--border);
  background-color: var(--bg-primary);
  transition: all var(--transition);
}

.project-card:hover {
  background-color: var(--bg-invert);
}

.project-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-bottom: var(--border-width-thick) solid var(--border);
  filter: grayscale(100%);
}

.project-content {
  padding: var(--space-md);
}

.project-card:hover .project-content {
  color: var(--text-invert);
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  transition: color var(--transition);
}

.project-card:hover .project-title {
  color: var(--text-invert);
}

.project-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  transition: color var(--transition);
}

.project-card:hover .project-description {
  color: rgba(255, 255, 255, 0.7);
}

.project-underline {
  width: 100%;
  height: 4px;
  background-color: var(--border);
  transition: background-color var(--transition);
}

.project-card:hover .project-underline {
  background-color: var(--accent);
}

/* ---------- SKILLS SECTION ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.skill-item {
  border: var(--border-width) solid var(--border);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition);
  cursor: default;
}

.skill-item:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--text-invert);
}

/* ---------- EXPERIENCE SECTION ---------- */
.experience-list {
  display: flex;
  flex-direction: column;
}

.experience-item {
  padding: var(--space-lg) 0;
  border-bottom: var(--border-width-thick) solid var(--border);
}

.experience-item:last-child {
  border-bottom: none;
}

.experience-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-md);
  align-items: baseline;
  margin-bottom: var(--space-sm);
}

.experience-title {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.1;
}

.experience-company {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.experience-period {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: right;
}

.experience-description {
  max-width: 800px;
  color: var(--text-secondary);
}

/* ---------- EDUCATION SECTION ---------- */
.education-list {
  display: flex;
  flex-direction: column;
}

.education-item {
  padding: var(--space-md) 0;
  border-bottom: var(--border-width) solid var(--border);
}

.education-item:last-child {
  border-bottom: none;
}

.education-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-md);
  align-items: baseline;
}

.education-degree {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 700;
}

.education-school {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.education-year {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- CONTACT SECTION ---------- */
.contact-section {
  padding: var(--space-xxl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-heading {
  margin-bottom: var(--space-lg);
}

.contact-email {
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  word-break: break-all;
}

.contact-email a:hover {
  color: var(--accent);
}

.contact-info {
  margin-bottom: var(--space-md);
}

.contact-info-item {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.contact-social {
  margin-top: var(--space-md);
}

/* ---------- FOOTER ---------- */
.footer {
  padding: var(--space-md) 0;
  border-top: var(--border-width-thick) solid var(--border);
  text-align: center;
}

.footer-text {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* ---------- LOADING STATE ---------- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- ERROR STATE ---------- */
.error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-lg);
  text-align: center;
}

.error-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

.error-message {
  color: var(--text-secondary);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero-content {
    border-right: none;
    border-bottom: var(--border-width-thick) solid var(--border);
  }

  .hero-sidebar {
    width: 100%;
    flex-direction: row;
  }

  .hero-avatar-container {
    flex: 0 0 200px;
    border-bottom: none;
    border-right: var(--border-width-thick) solid var(--border);
  }

  .hero-social {
    flex: 1;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-xxl: 5rem;
  }

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

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

  .experience-header {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }

  .experience-period {
    text-align: left;
  }

  .education-header {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .hero-sidebar {
    flex-direction: column;
  }

  .hero-avatar-container {
    flex: none;
    height: 250px;
    border-right: none;
    border-bottom: var(--border-width-thick) solid var(--border);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .social-box {
    flex-wrap: wrap;
  }
}