:root{--bg-primary: #05070b;--bg-secondary: #080c13;--bg-deep: #030508;--surface: rgba(12, 18, 32, .72);--surface-hover: rgba(18, 26, 46, .85);--surface-border: rgba(255, 255, 255, .08);--surface-raised: rgba(14, 22, 38, .9);--text-primary: #f4f7fb;--text-secondary: #b8c4d4;--text-muted: #7a8799;--text-faint: #4a5568;--accent: #5b8af0;--accent-bright: #80aaff;--accent-dim: #2d4a8a;--accent-glow: rgba(91, 138, 240, .22);--color-success: #83f2bb;--color-warning: #f5c47a;--ambient-top: rgba(65, 98, 180, .14);--ambient-mid: rgba(55, 85, 160, .08);--font-display: "Sora", sans-serif;--font-body: "Plus Jakarta Sans", sans-serif;--font-editorial: "Cormorant Garamond", serif;--font-code: "JetBrains Mono", monospace;--text-xs: .7rem;--text-sm: .82rem;--text-base: 1rem;--text-md: 1.12rem;--text-lg: 1.25rem;--text-xl: 1.5rem;--text-2xl: 2rem;--text-3xl: 2.75rem;--text-4xl: 3.75rem;--text-5xl: 5rem;--text-6xl: 7rem;--leading-tight: .96;--leading-snug: 1.08;--leading-normal: 1.65;--leading-relaxed:1.8;--tracking-tight: -.065em;--tracking-snug: -.045em;--tracking-normal: 0;--tracking-wide: .08em;--tracking-wider: .16em;--measure: 62ch;--measure-short: 48ch;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--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;--space-40: 10rem;--section-pad-y: clamp(var(--space-20), 12vh, var(--space-40));--section-pad-x: clamp(var(--space-6), 6vw, var(--space-24));--container-width: min(92%, 1200px);--container-wide: min(96%, 1440px);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--radius-2xl: 40px;--radius-pill: 9999px;--shadow-soft: 0 4px 24px rgba(0, 0, 0, .2);--shadow-medium: 0 12px 48px rgba(0, 0, 0, .38);--shadow-strong: 0 30px 90px rgba(0, 0, 0, .55);--shadow-accent: 0 12px 40px rgba(91, 138, 240, .18);--blur-sm: blur(8px);--blur-navbar: blur(20px);--blur-modal: blur(16px);--duration-instant: 80ms;--duration-fast: .2s;--duration-normal: .42s;--duration-slow: .8s;--duration-slower: 1.2s;--ease-standard: cubic-bezier(.16, 1, .3, 1);--ease-in: cubic-bezier(.4, 0, 1, 1);--ease-out: cubic-bezier(0, 0, .2, 1);--ease-linear: linear;--z-below: -1;--z-base: 0;--z-raised: 10;--z-overlay: 40;--z-navbar: 50;--z-modal: 100;--navbar-height: 62px;--navbar-top: 22px;--navbar-width: min(92%, 1180px);--navbar-bg: rgba(6, 9, 15, .65);--navbar-bg-solid: rgba(6, 9, 15, .92);--navbar-border: rgba(255, 255, 255, .09);--navbar-radius: 18px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-family:var(--font-body);font-size:var(--text-sm);font-weight:600;letter-spacing:.015em;line-height:1;min-height:46px;padding:13px 20px;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:background var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out);white-space:nowrap;-webkit-user-select:none;user-select:none;position:relative;overflow:hidden}.btn-primary{background:#eef3ff;color:#0a0d13;border-color:#eef3ff}.btn-primary:hover{background:#fff;border-color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-accent)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--surface);color:var(--text-secondary);border-color:var(--surface-border)}.btn-secondary:hover{background:var(--surface-hover);border-color:#ffffff24;color:var(--text-primary);transform:translateY(-1px)}.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-accent:hover{background:var(--accent-bright);border-color:var(--accent-bright);transform:translateY(-1px);box-shadow:0 12px 32px #5b8af04d}.btn-pill{border-radius:var(--radius-pill);padding-inline:var(--space-8)}.btn-lg{font-size:var(--text-base);min-height:54px;padding:16px 28px}.btn-sm{font-size:var(--text-xs);min-height:36px;padding:9px 14px}.btn .icon{opacity:.7;font-size:.9em}.btn-group{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap}@media (max-width: 767px){.btn{min-height:48px}.btn-lg{min-height:54px}.btn-group{gap:var(--space-2)}}