/* ============================================
   OSBORN ASSOCIATES - Design Tokens
   ============================================ */

:root {
  --charcoal: #2a2d32;
  --charcoal-deep: #1e2025;
  --charcoal-card: #252830;
  --slate: #3d4148;
  --slate-mid: #555960;
  --warm-stone: #b8b2a8;
  --warm-off-white: #f4f1ec;
  --cream: #eae6df;
  --muted-blue: #7a9ab5;
  --muted-blue-hover: #8dadc5;
  --steel: #9a9da3;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --section-px: clamp(24px, 4vw, 64px);
  --section-py: clamp(64px, 8vw, 100px);
  --card-gap: clamp(6px, 0.6vw, 10px);
  --max-width: 1440px;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.2s;
  --dur-base: 0.3s;
  --dur-slow: 0.4s;
  --dur-cinematic: 1.2s;
  --radius-sm: 2px;
  --border-subtle: 1px solid rgba(122,154,181,0.06);
  --border-subtle-light: 1px solid rgba(42,45,50,0.06);
  --grain-opacity: 0.025;
  --grid-opacity-dark: 0.015;
  --grid-opacity-light: 0.01;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; text-size-adjust: 100%; }
body { font-family: var(--font-sans); font-weight: 300; line-height: 1.7; color: var(--warm-off-white); background-color: var(--charcoal-deep); overflow-x: hidden; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; background: none; border: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

.h1, h1 { font-family: var(--font-serif); font-weight: 400; line-height: 1.1; letter-spacing: -0.005em; }
.h2, h2 { font-family: var(--font-serif); font-weight: 400; line-height: 1.18; letter-spacing: -0.005em; }
.h3, h3 { font-family: var(--font-serif); font-weight: 400; line-height: 1.22; }
.body-lg { font-family: var(--font-sans); font-size: clamp(0.875rem, 1vw, 0.9375rem); font-weight: 300; line-height: 1.8; letter-spacing: 0.012em; }
.body-md { font-family: var(--font-sans); font-size: 0.84rem; font-weight: 300; line-height: 1.9; }
.body-sm { font-family: var(--font-sans); font-size: 0.8125rem; font-weight: 300; line-height: 1.85; }

.eyebrow { font-family: var(--font-sans); font-size: 0.6875rem; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-blue); display: flex; align-items: center; gap: 14px; }
.eyebrow::before { content: ''; width: 28px; height: 1px; background-color: var(--muted-blue); opacity: 0.5; flex-shrink: 0; }
.eyebrow--center { justify-content: center; }
.eyebrow--center::after { content: ''; width: 28px; height: 1px; background-color: var(--muted-blue); opacity: 0.3; flex-shrink: 0; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--section-px); }
.section { padding: var(--section-py) 0; position: relative; }
.section--dark { background-color: var(--charcoal); color: var(--warm-off-white); }
.section--deep { background-color: var(--charcoal-deep); color: var(--warm-off-white); }
.section--light { background-color: var(--warm-off-white); color: var(--charcoal); }
.section__inner { position: relative; z-index: 1; }

.grain::after { content: ''; position: absolute; inset: 0; opacity: var(--grain-opacity); pointer-events: none; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); background-repeat: repeat; background-size: 180px; }
.grid-texture::before { content: ''; position: absolute; inset: 0; opacity: var(--grid-opacity-dark); pointer-events: none; background-image: linear-gradient(rgba(122,154,181,0.4) 1px, transparent 1px), linear-gradient(90deg, rgba(122,154,181,0.4) 1px, transparent 1px); background-size: 80px 80px; }
.grid-texture--light::before { content: ''; position: absolute; inset: 0; opacity: var(--grid-opacity-light); pointer-events: none; background-image: linear-gradient(rgba(42,45,50,0.15) 1px, transparent 1px), linear-gradient(90deg, rgba(42,45,50,0.15) 1px, transparent 1px); background-size: 80px 80px; }

.btn { font-family: var(--font-sans); font-size: 0.6875rem; font-weight: 400; letter-spacing: 0.09em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 12px; padding: 14px 32px; border: 1px solid transparent; transition: all var(--dur-base) var(--ease); -webkit-tap-highlight-color: transparent; }
.btn__arrow { width: 14px; height: 1px; background-color: currentColor; position: relative; opacity: 0.5; transition: all var(--dur-base) var(--ease); }
.btn__arrow::after { content: ''; position: absolute; right: 0; top: -2.5px; width: 5px; height: 5px; border-right: 1px solid currentColor; border-top: 1px solid currentColor; transform: rotate(45deg); }
.btn:hover .btn__arrow { opacity: 1; width: 20px; }
.btn--primary { color: var(--charcoal-deep); background-color: var(--warm-off-white); border-color: var(--warm-off-white); font-weight: 500; }
.btn--primary:hover { background-color: #fff; color: var(--charcoal-deep); border-color: #fff; box-shadow: 0 4px 20px rgba(244,241,236,0.15); }
.btn--secondary { color: var(--warm-off-white); background-color: transparent; border-color: rgba(244,241,236,0.25); }
.btn--secondary:hover { color: #fff; border-color: rgba(244,241,236,0.5); background-color: rgba(244,241,236,0.08); }

.tag { font-family: var(--font-sans); font-size: 0.5625rem; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-blue); padding: 4px 10px; border: 1px solid rgba(122,154,181,0.25); background: rgba(122,154,181,0.06); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: all var(--dur-base) var(--ease); }

.faq-item { border-bottom: var(--border-subtle); }
.faq-item--light { border-bottom: 1px solid rgba(42,45,50,0.1); }
.faq-item:first-child.faq-item--light { border-top: 1px solid rgba(42,45,50,0.1); }
.faq-q { font-family: var(--font-sans); font-size: clamp(0.875rem, 1vw, 0.9375rem); font-weight: 400; color: inherit; padding: 22px 40px 22px 0; cursor: pointer; width: 100%; background: none; border: none; text-align: left; line-height: 1.5; position: relative; transition: color var(--dur-base) var(--ease); }
.faq-q:hover { color: var(--muted-blue); }
.faq-q::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-family: var(--font-sans); font-size: 1.1rem; font-weight: 300; color: var(--muted-blue); opacity: 0.5; transition: opacity var(--dur-base) var(--ease); }
.faq-item.open .faq-q::after { content: '-'; opacity: 0.8; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--dur-slow) var(--ease); }
.faq-a__inner { padding: 0 40px 22px 0; }
.faq-item.open .faq-a { max-height: 400px; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }
.skip-link { position: absolute; top: -100%; left: 16px; z-index: 9999; padding: 8px 16px; background: var(--muted-blue); color: var(--charcoal-deep); font-family: var(--font-sans); font-size: 0.75rem; font-weight: 500; border-radius: var(--radius-sm); transition: top var(--dur-fast) var(--ease); }
.skip-link:focus { top: 16px; }