/* =============================================================
   OSMELINK — Shared Stylesheet
   Generated from style/tokens.css. All pages link to this.
   ============================================================= */

/* --- TOKENS --- */
:root {
  --color-bg:          #0a0a0f;
  --color-bg-raised:   #13131a;
  --color-surface:     #1c1c28;
  --color-border:      rgba(255,255,255,0.08);

  --color-text:        #f0f0f5;
  --color-text-muted:  #8888a0;
  --color-text-subtle: #44445a;

  --color-accent:      #6c63ff;
  --color-accent-glow: rgba(108,99,255,0.25);
  --color-accent-2:    #00e5b4;

  --color-danger:  #ff4d6a;
  --color-success: #00e5b4;

  --font-display: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  --weight-regular:  400;
  --weight-medium:   500;
  --weight-semibold: 600;
  --weight-bold:     700;
  --weight-black:    900;

  --leading-tight:  1.1;
  --leading-snug:   1.3;
  --leading-normal: 1.6;

  --tracking-tight:   -0.03em;
  --tracking-normal:   0em;
  --tracking-wide:     0.05em;
  --tracking-widest:   0.15em;

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --max-width:        1200px;
  --max-width-narrow: 720px;
  --gutter:           clamp(1.5rem, 5vw, 3rem);

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  --shadow-sm:   0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.6);
  --glow-accent: 0 0 48px var(--color-accent-glow);

  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast:   150ms;
  --duration-normal: 300ms;

  --z-nav: 300;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body { background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); font-size: var(--text-base); line-height: var(--leading-normal); }
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* --- NAV --- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--gutter);
  background: rgba(10,10,15,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav-logo {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}
.nav-logo span { color: var(--color-accent); }

.nav-links {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}
.nav-links a {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a.nav-cta {
  color: var(--color-accent);
  border: 1px solid rgba(108,99,255,0.4);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
}
.nav-links a.nav-cta:hover { background: rgba(108,99,255,0.1); }

/* --- LAYOUT --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--gutter); }
.container--narrow { max-width: var(--max-width-narrow); margin: 0 auto; padding: 0 var(--gutter); }

/* --- SECTION LABEL --- */
.label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

/* --- DIVIDER --- */
.divider { border: none; border-top: 1px solid var(--color-border); margin: 0; }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--glow-accent);
}
.btn-primary:hover { background: #7c74ff; transform: translateY(-2px); box-shadow: 0 0 72px var(--color-accent-glow); }
.btn-secondary {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { color: var(--color-text); border-color: rgba(255,255,255,0.2); background: var(--color-bg-raised); }

/* --- FOOTER --- */
footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0;
}
footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}
footer .footer-logo { font-weight: var(--weight-bold); font-size: var(--text-sm); letter-spacing: var(--tracking-tight); }
footer .footer-logo span { color: var(--color-accent); }
footer p { font-size: var(--text-xs); color: var(--color-text-subtle); }
footer a { font-size: var(--text-xs); color: var(--color-text-subtle); transition: color var(--duration-fast); }
footer a:hover { color: var(--color-text-muted); }
footer nav { display: flex; gap: var(--space-6); }

/* --- FORM ELEMENTS --- */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--color-text-muted); letter-spacing: var(--tracking-wide); }
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out);
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(108,99,255,0.15); }
.form-group textarea { resize: vertical; min-height: 140px; line-height: var(--leading-normal); }
::placeholder { color: var(--color-text-subtle); }