@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700;900&family=IBM+Plex+Mono:wght@400;500;700&display=swap');

/* ============================================================================
   DESIGN SYSTEM
   ============================================================================ */

:root {
  /* Colors */
  --color-bg: #0F0F0F;           /* Deep Carbon */
  --color-fg: #F2F0EB;           /* Alabaster */
  --color-accent: #0043E8;       /* Ultramarine */
  --color-border: #2A2A2A;
  --color-muted: #666666;
  --color-card-bg: #1A1A1A;

  /* Typography */
  --font-main: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* ============================================================================
   RESET
   ============================================================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ============================================================================
   NAVIGATION
   ============================================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-lg);
}

.nav-brand {
  display: flex;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-main);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-fg);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  transition: color var(--transition-normal);
}

.nav-logo:hover {
  color: var(--color-accent);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
  align-items: center;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-decoration: none;
  color: var(--color-fg);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transition: color var(--transition-normal);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-fg);
  transition: all var(--transition-normal);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile navigation */
@media (max-width: 768px) {
  .nav {
    padding: var(--space-md);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
  }

  .nav-menu.active {
    max-height: 400px;
  }

  .nav-menu li {
    border-bottom: 1px solid var(--color-border);
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: var(--space-md);
    font-size: 0.875rem;
  }

  .nav-link::after {
    display: none;
  }
}

/* ============================================================================
   MAIN CONTENT & PAGE CONTAINER
   ============================================================================ */

main {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
}

#page-content {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1;
  letter-spacing: -0.02em;
  word-break: break-word;
  overflow-wrap: break-word;
}

h1 {
  font-size: clamp(2rem, 12vw, 4rem);
  text-transform: uppercase;
  white-space: nowrap;
}

h2 {
  font-size: clamp(2rem, 8vw, 4rem);
}

h3 {
  font-size: clamp(1.5rem, 5vw, 2rem);
}

.text-lg {
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.4;
}

.text-sm {
  font-size: 0.875rem;
}

.text-xs {
  font-size: 0.75rem;
}

.mono {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
}

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

/* ============================================================================
   SECTION SPACING
   ============================================================================ */

section {
  padding: var(--space-3xl) var(--space-lg);
}

@media (max-width: 768px) {
  section {
    padding: var(--space-2xl) var(--space-md);
  }
}

/* ============================================================================
   BUTTONS & LINKS
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-accent);
  color: var(--color-fg);
  text-decoration: none;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:hover {
  background-color: #0033c0;
}

.btn-link {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
  transition: all var(--transition-normal);
}

.btn-link:hover {
  padding-bottom: 6px;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-normal);
}

a:hover {
  color: #0033c0;
}

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

.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-background::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-bg), rgba(15, 15, 15, 0.6), transparent);
}

.hero-content {
  position: relative;
  z-index: 10;
  padding: 4rem var(--space-lg) 6rem;
  width: 100%;
  animation: slideUp 1s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  margin-bottom: var(--space-lg);
  word-break: break-word;
}

.hero .subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-muted);
}

/* ============================================================================
   PAGE HEADER
   ============================================================================ */

.page-header {
  margin-bottom: var(--space-3xl);
  animation: slideUp 0.8s ease-out;
}

.page-header h1 {
  margin-bottom: var(--space-lg);
}

.page-header-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 55ch;
  line-height: 1.6;
  color: var(--color-fg);
}

/* ============================================================================
   PORTFOLIO GRID
   ============================================================================ */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1px;
  background-color: var(--color-border);
  margin-bottom: var(--space-3xl);
}

.portfolio-grid-wide {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--color-border);
  margin-bottom: var(--space-3xl);
}

.portfolio-item {
  background-color: var(--color-card-bg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  position: relative;
}

.portfolio-item.wide {
  grid-column: span 2;
  aspect-ratio: 2 / 1;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.portfolio-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

@media (max-width: 768px) {
  .portfolio-grid-wide {
    grid-template-columns: 1fr;
  }

  .portfolio-item.wide {
    grid-column: span 1;
    aspect-ratio: 1 / 1;
  }
}

/* ============================================================================
   GRID LAYOUT (2-column)
   ============================================================================ */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
}

.grid-2-full {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background-color: var(--color-border);
}

.grid-2-cell {
  background-color: var(--color-card-bg);
  padding: var(--space-xl);
  transition: background-color var(--transition-normal);
}

.grid-2-cell:hover {
  background-color: #252525;
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

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

/* ============================================================================
   SERVICE CARDS (Home page)
   ============================================================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--color-border);
  margin-bottom: var(--space-3xl);
}

.service-card {
  background-color: var(--color-card-bg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: background-color var(--transition-normal);
  text-decoration: none;
  cursor: pointer;
}

.service-card:hover {
  background-color: #252525;
}

.service-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 900;
  text-transform: uppercase;
}

.service-description {
  color: var(--color-fg);
  line-height: 1.6;
  flex-grow: 1;
}

.service-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-accent);
  font-weight: 700;
  margin-top: auto;
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================================
   INTRO SECTION
   ============================================================================ */

.intro-section {
  max-width: 55ch;
}

.intro-text {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1.6;
  font-weight: 600;
}

/* ============================================================================
   WORKSHOP CARDS
   ============================================================================ */

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

.workshop-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
}

.workshop-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.workshop-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.workshop-title {
  font-size: 2rem;
  font-weight: 900;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.workshop-meta {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.workshop-meta-item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.workshop-description {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.workshop-includes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.workshop-include-item {
  font-size: 0.875rem;
  padding-left: var(--space-md);
  position: relative;
}

.workshop-include-item::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

@media (max-width: 768px) {
  .workshop-header {
    grid-template-columns: 1fr;
  }

  .workshop-includes {
    grid-template-columns: 1fr;
  }
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-info h2 {
  margin-bottom: var(--space-xl);
}

.contact-section {
  margin-bottom: var(--space-xl);
}

.contact-section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
  display: block;
}

.contact-list {
  list-style: none;
}

.contact-list li {
  margin-bottom: var(--space-sm);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  color: var(--color-fg);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-textarea {
  resize: vertical;
  min-height: 200px;
}

.form-success {
  padding: var(--space-lg);
  background-color: #1a3a1a;
  border: 1px solid #2d5a2d;
  color: #90ee90;
  margin-bottom: var(--space-lg);
  display: none;
}

.form-success.show {
  display: block;
  animation: fadeIn 0.5s ease-out;
}

.form-error {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #ff6b6b;
  margin-top: var(--space-xs);
}

.form-input[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: #ff6b6b;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

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

.footer {
  background-color: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) var(--space-lg);
  margin-top: var(--space-3xl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  color: var(--color-fg);
  transition: color var(--transition-normal);
}

.footer-links a:hover {
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-spacer {
  height: 4rem;
}

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

.opacity-60 {
  opacity: 0.6;
}

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

.mb-xl {
  margin-bottom: var(--space-xl);
}

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

@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }

  nav .nav-menu {
    gap: 0;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 3.5rem);
  }

  h2 {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
  }

  section {
    padding: var(--space-2xl) var(--space-md);
  }
}