/* ========================================================= Altacore Audio — base.css Design tokens, reset, typography, shared components. Loaded on every page before page-specific styles. ========================================================= */ :root { --bg: #FFFFFF; --bg-raised: #FAFBFC; --bg-side: #F5F7FA; --ink: #1A1D23; --ink-soft: #5F6B7A; --ink-faint: #9AA5B4; --accent: #2563EB; --accent-hover: #1D4ED8; --accent-ink: #1E40AF; --accent-soft: #EFF6FF; --noise: #C7CED4; --line: #E8ECF0; --card-bg: #FFFFFF; --track: #F1F3F5; --pill-bg: #1A1D23; --pill-fg: #FFFFFF; --success: #16A34A; --success-soft: #F0FDF4; --error: #DC2626; --error-soft: #FEF2F2; --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04); --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06); --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08); --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-pill: 999px; --ease: cubic-bezier(0.4, 0, 0.2, 1); } /* Dark mode — only when explicitly set: */ :root[data-theme="dark"] { --bg: #0A0F1A; --bg-raised: #111827; --bg-side: #111827; --ink: #F1F5F9; --ink-soft: #94A3B8; --ink-faint: #64748B; --accent: #3B82F6; --accent-hover: #60A5FA; --accent-ink: #93C5FD; --accent-soft: #1E3A5F; --line: #1E293B; --card-bg: #111827; --track: #1E293B; --pill-bg: #F1F5F9; --pill-fg: #0A0F1A; --success: #22C55E; --success-soft: #052E16; --error: #EF4444; --error-soft: #450A0A; --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2); --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3); --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4); } /* Reset */ *, *::before, *::after { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; } body { margin: 0; background: var(--bg); color: var(--ink); font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; line-height: 1.5; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } h1, h2, h3, .display { font-family: 'Space Grotesk', 'Inter', sans-serif; font-weight: 700; letter-spacing: -0.02em; margin: 0; color: var(--ink); line-height: 1.15; } a { color: inherit; text-decoration: none; } img, svg { max-width: 100%; } button { font-family: inherit; cursor: pointer; } input, select, textarea { font-family: inherit; } /* Container */ .wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; } @media (max-width: 640px) { .wrap { padding: 0 20px; } } /* Screen reader only */ .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; } /* Logo */ .logo { display: flex; align-items: center; gap: 10px; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 18px; text-decoration: none; color: var(--ink); } .logo svg { width: 26px; height: 26px; flex-shrink: 0; } /* Buttons */ .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 600; text-decoration: none; border: none; cursor: pointer; white-space: nowrap; transition: all 0.2s var(--ease); } .btn-primary { background: var(--accent); color: #FFFFFF; box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3); } .btn-primary:hover { background: var(--accent-hover); box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4); transform: translateY(-1px); } .btn-primary:active { transform: translateY(0); } .btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; } .btn-ghost { color: var(--ink-soft); background: none; border: none; padding: 12px 20px; } .btn-ghost:hover { color: var(--ink); background: var(--bg-raised); } .btn-outline { color: var(--ink); background: var(--bg); border: 1.5px solid var(--line); } .btn-outline:hover { border-color: var(--accent); color: var(--accent); } /* Hamburger */ .menu-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); color: var(--ink); cursor: pointer; transition: border-color 0.2s var(--ease); } .menu-toggle:hover { border-color: var(--accent); } .menu-toggle svg { width: 20px; height: 20px; } /* Mobile nav */ .mobile-nav { display: none; flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--line); } .mobile-nav.is-open { display: flex; } .mobile-nav a { padding: 14px 20px; color: var(--ink-soft); font-size: 15px; border-top: 1px solid var(--line); transition: color 0.15s var(--ease), background 0.15s var(--ease); } .mobile-nav a:first-child { border-top: none; } .mobile-nav a:hover { color: var(--ink); background: var(--bg-raised); } /* Shared dot indicator */ .dot { display: inline-flex; align-items: center; gap: 6px; } .dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; } /* Shared play button */ .play-btn { width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: var(--bg); display: flex; align-items: center; justify-content: center; flex-shrink: 0; border: none; cursor: pointer; padding: 0; transition: transform 0.15s var(--ease), opacity 0.15s var(--ease); } .play-btn:hover { transform: scale(1.08); } .play-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; } /* Pill badge */ .pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: var(--radius-pill); font-size: 13px; font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; white-space: nowrap; border: none; } .pill-outline { border: 1.5px solid var(--line); color: var(--ink-soft); background: var(--bg); } .pill-accent { background: var(--accent); color: #FFFFFF; } /* Selection */ ::selection { background: var(--accent-soft); color: var(--accent-ink); } /* Focus visible */ :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }