/* ========================================
   JACOB KRUSHEL - Personal Website
   Bold, Dark, Retro-Inspired Aesthetic
   ======================================== */

/* CSS Custom Properties */
:root {
  /* Colors - Dark Theme */
  --color-bg: #0a0a0a;
  --color-text: #f5f5f5;
  --color-text-muted: #888888;
  --color-accent: #2d5016;
  --color-accent-hover: #3d6b1f;
  --color-border: #222222;

  /* Typography */
  --font-headline: 'Space Grotesk', sans-serif;
  --font-pixel: 'Press Start 2P', cursive;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 5rem;
  --spacing-3xl: 6rem;

  /* Layout */
  --max-width: 720px;
  --max-width-wide: 1100px;

  /* Transitions */
  --transition-fast: 150ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

p {
  margin-bottom: var(--spacing-md);
}

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

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

/* Pixel Section Header */
.section-header {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: var(--max-width-wide);
}

main {
  flex: 1;
  padding: var(--spacing-2xl) 0;
}

/* Navigation */
.nav {
  padding: var(--spacing-md) 0;
  border-bottom: 2px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 100;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav-logo {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-links a {
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: var(--transition-fast);
}

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    border-bottom: none;
  }
}

/* Hero Section */
.hero {
  padding: var(--spacing-3xl) 0;
}

.hero-name {
  font-family: var(--font-headline);
  font-size: 7rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.hero-subtitle {
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
}

.hero-bio {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

@media (max-width: 640px) {
  .hero-name {
    font-size: 3.5rem;
  }

  .hero-subtitle {
    font-size: 1.5rem;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text);
  border: 2px solid var(--color-accent);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-text);
}

/* Page Header */
.page-header {
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-family: var(--font-pixel);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.page-subtitle {
  font-family: var(--font-body);
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

/* Content Sections */
.content {
  font-size: 1.0625rem;
  line-height: 1.8;
}

.content p {
  margin-bottom: var(--spacing-md);
}

.content a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-text-muted);
  text-underline-offset: 3px;
}

.content a:hover {
  text-decoration-color: var(--color-text);
}

/* Services List */
.services-list {
  list-style: none;
  margin: var(--spacing-lg) 0;
}

.services-list li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 1.0625rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.services-list li:last-child {
  border-bottom: none;
}

.services-list li::before {
  content: '';
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  flex-shrink: 0;
}

/* Writing/Blog List */
.posts-list {
  list-style: none;
}

.post-item {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.post-item:first-child {
  padding-top: 0;
}

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

.post-date {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.post-title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.post-title a {
  color: var(--color-text);
}

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

.post-excerpt {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

/* Single Post */
.post-header {
  margin-bottom: var(--spacing-xl);
}

.post-header .post-date {
  margin-bottom: var(--spacing-sm);
}

.post-header .post-title {
  font-size: 2.5rem;
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .post-header .post-title {
    font-size: 1.75rem;
  }
}

.post-content {
  font-size: 1.0625rem;
  line-height: 1.85;
}

.post-content p {
  margin-bottom: var(--spacing-md);
}

.post-content h2 {
  font-size: 1.5rem;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.post-content h3 {
  font-size: 1.25rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.post-content ul, .post-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.post-content li {
  margin-bottom: var(--spacing-xs);
}

.post-content blockquote {
  border-left: 2px solid var(--color-accent);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  color: var(--color-text-muted);
}

.post-content a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-text-muted);
  text-underline-offset: 3px;
}

.post-content a:hover {
  text-decoration-color: var(--color-text);
}

.post-nav {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

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

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

/* Contact Form */
.contact-form {
  max-width: 500px;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-body);
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

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

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

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

/* Footer */
.footer {
  padding: var(--spacing-xl) 0;
  border-top: 2px solid var(--color-border);
  margin-top: auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

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

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

/* Success Page */
.success-content {
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.success-content .page-title {
  font-family: var(--font-headline);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }