/* ========================================
   Foundation
   ======================================== */

:root {
  /* Dark warm palette */
  --color-bg: #0F0D0E;
  --color-bg-subtle: rgba(255, 255, 255, 0.05);
  --color-text: rgba(255, 255, 255, 0.92);
  --color-text-secondary: rgba(255, 255, 255, 0.55);
  --color-text-tertiary: rgba(255, 255, 255, 0.35);
  --color-accent: #E8956A;
  --color-border: rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-2xl: 12rem;

  /* Layout */
  --max-width: 1200px;
  --content-width: 720px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Film grain overlay */
.grain {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  z-index: 1000;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.6' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  animation: grain 0.7s steps(1) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-2%, -2%); }
  20% { transform: translate(2%, 2%); }
  30% { transform: translate(-1%, 1%); }
  40% { transform: translate(1%, -1%); }
  50% { transform: translate(-2%, 2%); }
  60% { transform: translate(2%, -2%); }
  70% { transform: translate(-1%, -1%); }
  80% { transform: translate(1%, 1%); }
  90% { transform: translate(-2%, -1%); }
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  margin: 0;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 0.875rem;
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
}

p {
  margin: 0 0 1.5em;
}

p:last-child {
  margin-bottom: 0;
}

p.large {
  font-size: 1.25rem;
  line-height: 1.6;
}

em {
  font-family: var(--font-serif);
  font-style: italic;
}

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* ========================================
   Layout
   ======================================== */

main {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.content-area {
  background: rgba(0, 0, 0, 0.6);
  border-radius: 8px;
  padding: 0 var(--space-md);
  margin: 0 calc(-1 * var(--space-md));
}

section {
  padding: var(--space-xl) 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-lg);
}

/* ========================================
   Navigation
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

.nav.scrolled {
  background: rgba(15, 13, 14, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

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

/* ========================================
   Hero
   ======================================== */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.hero-headline {
  margin-bottom: var(--space-md);
  min-height: 1.2em;
}

.typewriter {
  border-right: none;
}

.cursor {
  font-weight: 300;
  opacity: 1;
  animation: blink 1s step-end infinite;
  color: var(--color-accent);
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-sub {
  font-size: 1rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.02em;
}

/* ========================================
   About
   ======================================== */

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

.about-content {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-xl);
}

.about-text {
  max-width: var(--content-width);
}

.about-text p.large {
  margin-bottom: var(--space-md);
}

.about-text p.large:last-of-type {
  margin-bottom: var(--space-lg);
}

.about-aside {
  padding-top: 0.5rem;
}

.aside-block {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.aside-block:last-child {
  border-bottom: none;
}

.aside-block h4 {
  margin-bottom: var(--space-xs);
}

.aside-block p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ========================================
   Work
   ======================================== */

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

.work-intro {
  max-width: 540px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

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

.work-item {
  transition: transform 0.3s ease;
}

.work-item a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.work-item:hover {
  transform: translateY(-4px);
}

.work-image {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.work-item:hover .work-image {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  transform: scale(1.02);
}

.work-info h3 {
  margin-bottom: var(--space-xs);
  font-size: 1.25rem;
}

.work-info p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.work-meta {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

.work-more {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.more-link {
  font-size: 1rem;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

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

/* ========================================
   Past Work
   ======================================== */

.past-work {
  padding: var(--space-lg) 0 0;
}

.past-intro {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.client-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
}

.client-list span {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--color-text-tertiary);
}

.past-link {
  display: inline-block;
}

/* ========================================
   Contact
   ======================================== */

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

.contact-content {
  max-width: var(--content-width);
}

.contact-content p.large {
  margin-bottom: var(--space-lg);
}

.contact-links {
  display: flex;
  gap: var(--space-md);
}

.contact-link {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.9375rem;
  transition: all 0.2s ease;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.contact-link:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg);
}

/* ========================================
   Footer
   ======================================== */

.footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  border-top: 1px solid var(--color-border);
}

.footer p {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin: 0;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 900px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-aside {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .aside-block {
    border-bottom: none;
    padding-bottom: 0;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  section {
    padding: var(--space-lg) 0;
  }

  .hero {
    min-height: 80vh;
  }

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

  .about-aside {
    grid-template-columns: 1fr;
  }

  .contact-links {
    flex-direction: column;
    gap: var(--space-sm);
  }

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

@media (max-width: 500px) {
  .nav-links {
    gap: var(--space-sm);
  }

  .nav-links a {
    font-size: 0.8125rem;
  }
}