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

:root {
  --background: #111111;
  --foreground: #fafafa;
  --card: #1a1a1a;
  --border: #333333;
  --muted-foreground: #999999;
  --zinc-400: #a1a1aa;
  --zinc-600: #52525b;
  --zinc-700: #3f3f46;
  --zinc-800: #27272a;
  --zinc-900: #18181b;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.1;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
  background: #444;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

::selection {
  background: #444;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: rgba(17, 17, 17, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  background-color: var(--foreground);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon span {
  color: var(--background);
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.875rem;
}

.logo-text {
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.025em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  transition: color 0.2s;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--foreground);
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
}

.mobile-menu a {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-top: 5rem;
}

.hero-content {
  max-width: 56rem;
  padding: 5rem 0;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  letter-spacing: -0.025em;
}

.hero h1 span {
  color: var(--muted-foreground);
}

.hero p {
  margin-top: 2rem;
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 42rem;
  line-height: 1.75;
}

.hero-buttons {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all 0.2s;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background-color: #e5e5e5;
}

.btn-secondary {
  border-color: var(--border);
  background-color: transparent;
}

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

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 1s infinite;
}

.scroll-indicator svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--muted-foreground);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}



/* Services Section */
.services {
  padding: 6rem 0;
  background-color: rgba(24, 24, 27, 0.5);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
  }
}

.services-intro {
  position: relative;
}

@media (min-width: 1024px) {
  .services-intro {
    position: sticky;
    top: 6rem;
    align-self: start;
  }
}

.services-intro h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.025em;
  color: var(--zinc-400);
  margin-bottom: 2rem;
}

.services-intro p {
  color: var(--muted-foreground);
  font-size: 1rem;
  line-height: 1.75;
  text-align: justify;
  margin-bottom: 1.5rem;
}

.services-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2.5rem;
}

@media (min-width: 640px) {
  .services-buttons {
    flex-direction: row;
  }
}

.service-item {
  padding: 2rem 0;
  border-bottom: 1px solid var(--zinc-700);
}

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

.service-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.service-item p {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  line-height: 1.75;
}

/* Portfolio Section */
.portfolio {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.portfolio-header {
  max-width: 48rem;
  margin-bottom: 4rem;
}

.portfolio-header h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

.portfolio-header p {
  color: var(--muted-foreground);
  font-size: 1.125rem;
  line-height: 1.75;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio-item {
  display: flex;
  flex-direction: column;
  background-color: var(--card);
  border: 1px solid var(--border);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.portfolio-item:hover {
  transform: translateY(-4px);
  border-color: rgba(250, 250, 250, 0.2);
}

.portfolio-image-wrapper {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
  background-color: #111;
  border-bottom: 1px solid var(--border);
}

.portfolio-placeholder-grid {
  width: 100%;
  height: 100%;
  background-color: #141416;
  background-image: 
    linear-gradient(rgba(250, 250, 250, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(250, 250, 250, 0.015) 1px, transparent 1px);
  background-size: 20px 20px;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-item:hover .portfolio-placeholder-grid {
  background-color: #18181b;
  background-image: 
    linear-gradient(rgba(250, 250, 250, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(250, 250, 250, 0.035) 1px, transparent 1px);
}

.project-code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--muted-foreground);
  border: 1px solid rgba(250, 250, 250, 0.08);
  padding: 0.5rem 1rem;
  background-color: rgba(20, 20, 22, 0.85);
  backdrop-filter: blur(4px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-item:hover .project-code {
  color: var(--foreground);
  border-color: rgba(250, 250, 250, 0.25);
  background-color: rgba(24, 24, 27, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.portfolio-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
  display: inline-block;
}

.portfolio-content h3 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.portfolio-content p {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.portfolio-tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6875rem;
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
  color: var(--muted-foreground);
  transition: all 0.2s ease;
}

.portfolio-item:hover .tech-tag {
  border-color: rgba(250, 250, 250, 0.15);
  color: var(--foreground);
}

/* Tech Stack */
.tech-stack {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
  background-color: rgba(26, 26, 26, 0.3);
}

.tech-stack-header {
  max-width: 48rem;
  margin-bottom: 4rem;
}

.tech-stack-header h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

.tech-stack-header p {
  color: var(--muted-foreground);
  font-size: 1.125rem;
  line-height: 1.75;
}

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

@media (min-width: 640px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tech-category h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.tech-category ul {
  list-style: none;
}

.tech-category li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  color: rgba(250, 250, 250, 0.9);
}

.tech-category li::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: rgba(250, 250, 250, 0.6);
}

.tech-category li span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.875rem;
}

.tech-logos {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.tech-logos p {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  text-align: center;
  margin-bottom: 2rem;
}

.tech-logos-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.tech-badge {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  background-color: rgba(26, 26, 26, 0.5);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  transition: all 0.2s;
}

.tech-badge:hover {
  color: var(--foreground);
  border-color: rgba(250, 250, 250, 0.3);
}

/* Principles */
.principles {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.principles-header {
  max-width: 48rem;
  margin-bottom: 4rem;
}

.principles-header h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

.principles-header p {
  color: var(--muted-foreground);
  font-size: 1.125rem;
  line-height: 1.75;
}

.principle-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 768px) {
  .principle-item {
    grid-template-columns: 200px 1fr;
    gap: 3rem;
  }
}

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

.principle-item h3 {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: -0.025em;
}

@media (min-width: 768px) {
  .principle-item h3 {
    font-size: 1.875rem;
  }
}

.principle-item p {
  color: var(--muted-foreground);
  line-height: 1.75;
}

@media (min-width: 768px) {
  .principle-item p {
    padding-top: 0.5rem;
  }
}

/* Contact */
.contact {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
  background-color: rgba(26, 26, 26, 0.3);
}

.contact-wrapper {
  max-width: 48rem;
  margin: 0 auto;
}

.contact-header {
  text-align: center;
  margin-bottom: 3rem;
}

.contact-header h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

.contact-header p {
  color: var(--muted-foreground);
  font-size: 1.125rem;
  line-height: 1.75;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--background);
  border: 1px solid var(--border);
  color: var(--foreground);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted-foreground);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(250, 250, 250, 0.5);
}

.form-group textarea {
  resize: none;
  min-height: 150px;
}

/* CTA Section */
.cta {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.cta-content {
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

.cta h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  letter-spacing: -0.025em;
  margin-bottom: 2.5rem;
  text-wrap: balance;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background-color: rgba(26, 26, 26, 0.5);
  padding: 4rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-brand p {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  line-height: 1.75;
  margin-top: 1rem;
}

.footer-column h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 0.75rem;
}

.footer-column a,
.footer-column span {
  font-size: 0.875rem;
  color: rgba(250, 250, 250, 0.8);
  transition: color 0.2s;
}

.footer-column a:hover {
  color: var(--foreground);
}

.footer-bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  transition: color 0.2s;
}

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

/* Legal Pages */
.legal-page {
  padding-top: 8rem;
  padding-bottom: 6rem;
  min-height: 100vh;
}

.legal-content {
  max-width: 48rem;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.legal-content .last-updated {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.legal-content p {
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.legal-content ul {
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.legal-content li {
  margin-bottom: 0.5rem;
  line-height: 1.75;
}

/* Mobile Menu Toggle */
@media (max-width: 767px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .mobile-menu.active {
    display: flex;
  }
  
  .logo-text {
    display: none;
  }
}

@media (min-width: 640px) {
  .logo-text {
    display: inline;
  }
}