/* === pmix Design System === */
/* Warm amber broadcast production aesthetic */
/* Fonts: Anton (display), Oswald (body), Share Tech Mono (mono) */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Oswald:wght@300;400;500;600;700&family=Share+Tech+Mono&display=swap');

:root {
  /* Background colors */
  --pal-obsidian: #0D0C0A;      /* Primary bg - warm near-black */
  --pal-void: #1A1815;          /* Secondary surface */
  --pal-carbon: #262318;        /* Cards/panels */
  --pal-soot: #3A3520;          /* Mid-dark surface */
  
  /* Accent colors */
  --pal-amber: #E86010;         /* Primary accent - orange */
  --pal-gold: #FF7A22;          /* Hover/highlight - bright orange */
  --pal-amber-deep: #7A3A10;    /* Dark accent */
  --pal-ember: #1A0D06;         /* Very dark orange */
  
  /* Blue-green accents */
  --pal-petrol: #0F6080;        /* Borders/ambient */
  --pal-cyan: #1A9CC4;          /* Preview/AI accent */
  --pal-petrol-deep: #0C3545;
  --pal-abyss: #051A22;
  
  /* Functional colors */
  --pal-lemon: #FFE600;         /* Audio meters */
  --pal-green: #39FF14;         /* Success/connected */
  
  /* Text colors */
  --pal-chalk: #F2F0EC;         /* Primary text - warm white */
  --pal-silver: #C8C6C0;        /* Secondary text */
  --pal-ash: #8A8880;           /* Muted/disabled */
  --pal-graphite: #4A4840;      /* Borders/dividers */
  
  /* Semantic tokens */
  --color-bg: var(--pal-obsidian);
  --color-surface: var(--pal-void);
  --color-surface-hover: var(--pal-carbon);
  --color-card: var(--pal-carbon);
  --color-text: var(--pal-chalk);
  --color-text-secondary: var(--pal-silver);
  --color-text-muted: var(--pal-ash);
  --color-accent: var(--pal-amber);
  --color-accent-hover: var(--pal-gold);
  --color-border: var(--pal-petrol);
  --color-ambient: var(--pal-petrol);
  --color-success: var(--pal-green);
  --color-warning: var(--pal-lemon);
  
  /* Typography */
  --font-display: 'Anton', sans-serif;
  --font-body: 'Oswald', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  
  /* Transitions */
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.6;
  background: var(--color-bg);
  color: var(--color-text);
}

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

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

img {
  max-width: 100%;
  height: auto;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
}

code, pre {
  font-family: var(--font-mono);
}

/* === Header === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 12, 10, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 96, 128, 0.3);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  color: var(--color-text);
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pal-chalk);
}

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

.main-nav {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

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

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

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  background: linear-gradient(180deg, var(--pal-obsidian) 0%, var(--pal-void) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(232, 96, 16, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: var(--pal-chalk);
  line-height: 1.1;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: inline-flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* === Buttons === */
.btn {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1rem 2.5rem;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-block;
}

.btn-primary {
  background: var(--pal-amber);
  color: var(--pal-obsidian);
  border-color: var(--pal-amber);
}

.btn-primary:hover {
  background: var(--pal-gold);
  border-color: var(--pal-gold);
  color: var(--pal-obsidian);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 96, 16, 0.3);
}

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

.btn-secondary:hover {
  background: var(--pal-petrol);
  border-color: var(--pal-petrol);
  color: var(--pal-chalk);
  transform: translateY(-2px);
}

/* === Sections === */
.section {
  padding: 6rem 2rem;
  position: relative;
}

.section-dark {
  background: var(--pal-void);
}

.section-darker {
  background: var(--pal-obsidian);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 3rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  color: var(--pal-chalk);
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* === Cards === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--pal-carbon);
  border: 1px solid rgba(15, 96, 128, 0.3);
  border-radius: 8px;
  padding: 2rem;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--pal-petrol);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  color: var(--pal-amber);
}

.card-text {
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* === Features === */
.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.feature {
  text-align: center;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--pal-amber) 0%, var(--pal-gold) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  color: var(--pal-chalk);
}

.feature-text {
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* === Footer === */
.site-footer {
  background: var(--pal-obsidian);
  border-top: 1px solid rgba(15, 96, 128, 0.3);
  padding: 3rem 2rem 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pal-amber);
  margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 0.5rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(15, 96, 128, 0.2);
}

.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* === Utilities === */
.text-center {
  text-align: center;
}

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

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

.text-mono {
  font-family: var(--font-mono);
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* === Responsive === */
@media (max-width: 768px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .main-nav {
    display: none; /* Mobile nav TODO */
  }
  
  .card-grid,
  .feature-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
  
  .btn {
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
  }
}