/* ==========================================================
   base.css: shared by every page
   ========================================================== */

/* --- Root Variables --- */
:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --dark: #111827;
    --light-bg: #f3f4f6;
    --white: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --transition: 0.25s ease-in-out;
    --section-alt: #f9fafb;
}

/* --- Global Styles --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background-color: var(--light-bg); color: var(--text-main); line-height: 1.5; }
a { text-decoration: none; transition: var(--transition); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* --- Navigation --- */
.header { background: var(--white); box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05); position: sticky; top: 0; z-index: 50; }
.nav-container { display: flex; justify-content: space-between; align-items: center; padding: 0.65rem 1.5rem; }
.logo { font-size: 1.25rem; font-weight: 700; color: var(--dark); letter-spacing: -0.025em; }

/* --- Footer --- */
.footer { background: var(--dark); color: var(--white); padding: 2rem 0; text-align: center; }